结果：找到“Dissertation”相关内容62个，排序为按回复时间降序，搜索更多相关帖子请点击“高级”
SCI全套攻略（写作、投稿、模板、英文、以及搜索方法）0 个回复 - 693 次查看 内容丰富（2.6G），附赠搜索术，部分目录如下，并且整理了一些样本文件以供预览，欢迎下载 以下为文件夹 SCI投稿 SCI写作 SCI写作套路化模板：1000高大上句型汇总 模板 科技写作 研究生必读 SCI基础教程 ...2021-11-1 23:46 - slitudelogic - 现金交易版
SCI论文写作全套攻略（包括写作、投稿、模板、英文、以及如何搜索）2 个回复 - 1901 次查看 内容丰富（2.6G），部分目录和截图如下（截图在文末），并且整理了一些样本文件以供预览，欢迎下载 以下为文件夹 SCI投稿 SCI写作 SCI写作套路化模板：1000高大上句型汇总 模板 科技写作 研究生必读 ...2021-10-20 09:17 - 哈哈切 - 现金交易版
【独家发布】【kindle】A Manual for Writers of Research Papers, Theses, and Dissertations
65 个回复 - 4742 次查看 如果喜欢该文档，欢迎订阅【kindle电子书】文库，http://bbs.pinggu.org/forum.php?mod=collection&action=view&ctid=3186 [/backcolor]图书名称：A Manual for Writers of Research Papers, Theses, and Dissert ...2016-7-12 20:59 - 牛尾巴 - 经管书评
65 个回复 - 4742 次查看 如果喜欢该文档，欢迎订阅【kindle电子书】文库，http://bbs.pinggu.org/forum.php?mod=collection&action=view&ctid=3186 [/backcolor]图书名称：A Manual for Writers of Research Papers, Theses, and Dissert ...2016-7-12 20:59 - 牛尾巴 - 经管书评
【论文发展与研究方法】 Contemporary Approaches to Dissertation Development (2016
30 个回复 - 2497 次查看 Contemporary Approaches to Dissertation Development and Research Methods Valerie A. Storey (University of Central Florida, USA) and Kristina A. Hesbol (University of Denver, USA) Uncovering ...2017-1-28 08:52 - cmwei333 - 经管书评
30 个回复 - 2497 次查看 Contemporary Approaches to Dissertation Development and Research Methods Valerie A. Storey (University of Central Florida, USA) and Kristina A. Hesbol (University of Denver, USA) Uncovering ...2017-1-28 08:52 - cmwei333 - 经管书评
Proposals That Work: A Guide for Planning Dissertations and Grant Proposals
5 个回复 - 596 次查看 【强势推荐】斯坦福大牛执笔~~research proposal 写作不可多得的经典~ 同时可以参考MIT官方指导材料-how to write a research proposal-论文撰写必备 站内链接：https://bbs.pinggu.org/thread-6983100-1-1.html，对 ...2019-3-17 15:21 - kosaac - 经管书评
5 个回复 - 596 次查看 【强势推荐】斯坦福大牛执笔~~research proposal 写作不可多得的经典~ 同时可以参考MIT官方指导材料-how to write a research proposal-论文撰写必备 站内链接：https://bbs.pinggu.org/thread-6983100-1-1.html，对 ...2019-3-17 15:21 - kosaac - 经管书评
网络营销 sample dissertation
1 个回复 - 783 次查看 这是关于网络营销效果的一篇sample dissertation，希望对小伙伴们有帮助哦～2021-1-14 08:59 - jojoxyh123 - 市场营销
1 个回复 - 783 次查看 这是关于网络营销效果的一篇sample dissertation，希望对小伙伴们有帮助哦～2021-1-14 08:59 - jojoxyh123 - 市场营销
A Manual for Writers of Research Papers, Theses, and Dissertations (8th Edition)
38 个回复 - 10286 次查看 A Manual for Writers of Research Papers, Theses, and Dissertations: Chicago Style for Students and Researchers (Chicago Guides to Writing, Editing, and Publishing) 8th Edition by Kate L. Turabian ( ...2016-10-17 03:26 - cmwei333 - 外语学习
38 个回复 - 10286 次查看 A Manual for Writers of Research Papers, Theses, and Dissertations: Chicago Style for Students and Researchers (Chicago Guides to Writing, Editing, and Publishing) 8th Edition by Kate L. Turabian ( ...2016-10-17 03:26 - cmwei333 - 外语学习
【下载】Succeeding with your Master’s Dissertation A step-by-step handbook
1 个回复 - 2353 次查看 Succeeding with your Master’s Dissertation A step-by-step handbook 1 Introduction 1 A Master’s dissertation: what is it? 1 So, what skills do you need to succeed? 4 Watch your words! 10 H ...2015-10-8 22:15 - toughxiaoqiang - 计量经济学与统计软件
1 个回复 - 2353 次查看 Succeeding with your Master’s Dissertation A step-by-step handbook 1 Introduction 1 A Master’s dissertation: what is it? 1 So, what skills do you need to succeed? 4 Watch your words! 10 H ...2015-10-8 22:15 - toughxiaoqiang - 计量经济学与统计软件
英文写作宝典A Manual for Writers of Research Papers Theses and Dissertations
1 个回复 - 1623 次查看 A Note to Students A Manual for Writers of Research Papers, Theses, and Dissertations has helped generations of students successfully research, write, and submit papers in virtually all academic ...2019-9-24 22:14 - lioufan - 市场营销
1 个回复 - 1623 次查看 A Note to Students A Manual for Writers of Research Papers, Theses, and Dissertations has helped generations of students successfully research, write, and submit papers in virtually all academic ...2019-9-24 22:14 - lioufan - 市场营销
[第八版mobi]A Manual for Writers of Research Papers, Theses, and Dissertation
9 个回复 - 2998 次查看 A little more than seventy-five years ago, Kate L. Turabian drafted a set of guidelines to help students understand how to write, cite, and formally submit research writing. Seven editions and more ...2017-2-28 20:32 - 舂氺海謿 - 外语学习
9 个回复 - 2998 次查看 A little more than seventy-five years ago, Kate L. Turabian drafted a set of guidelines to help students understand how to write, cite, and formally submit research writing. Seven editions and more ...2017-2-28 20:32 - 舂氺海謿 - 外语学习
Abstracts of Dissertations in Accounting for 1953 and 1954
1 个回复 - 359 次查看 【作者(必填)】American Accounting Association 【文题(必填)】Abstracts of Dissertations in Accounting for 1953 and 1954 【年份(必填)】1955 【全文链接或数据库名称(选填)】http://www.jstor.org/st ...2019-3-30 22:15 - Mengguren15 - 求助成功区
1 个回复 - 359 次查看 【作者(必填)】American Accounting Association 【文题(必填)】Abstracts of Dissertations in Accounting for 1953 and 1954 【年份(必填)】1955 【全文链接或数据库名称(选填)】http://www.jstor.org/st ...2019-3-30 22:15 - Mengguren15 - 求助成功区
求电子书Researching and Writing a Dissertation for Business Students
0 个回复 - 519 次查看 Fisher, C. (2004) Researching and Writing a Dissertation for Business Students, FT Prentice Hall. Saunders, M., Lewis, P and Thornhill, A. (2019) Research Methods for Business Students, 8th edition, ...2021-1-12 19:55 - 1280990407 - 管理科学
0 个回复 - 519 次查看 Fisher, C. (2004) Researching and Writing a Dissertation for Business Students, FT Prentice Hall. Saunders, M., Lewis, P and Thornhill, A. (2019) Research Methods for Business Students, 8th edition, ...2021-1-12 19:55 - 1280990407 - 管理科学
求Completing your qualitative dissertation: A road map from beginning to end
0 个回复 - 597 次查看 求资源 ，Bloomberg, L. D., & Volpe, M. (2018). Completing your qualitative dissertation: A road map from beginning to end (4th ed.). SAGE Publications.谢谢各位大佬2020-7-4 11:40 - 琥珀川lz - 爱问频道
0 个回复 - 597 次查看 求资源 ，Bloomberg, L. D., & Volpe, M. (2018). Completing your qualitative dissertation: A road map from beginning to end (4th ed.). SAGE Publications.谢谢各位大佬2020-7-4 11:40 - 琥珀川lz - 爱问频道
Graduate Dissertations in Economics, 1950–1954
1 个回复 - 380 次查看 【作者(必填)】Paul J. FitzPatrick 【文题(必填)】Graduate Dissertations in Economics, 1950–1954 【年份(必填)】1955 【全文链接或数据库名称(选填)】https://www.tandfonline.com/doi/abs/10.1080/00 ...2019-3-23 13:36 - Mengguren15 - 求助成功区
1 个回复 - 380 次查看 【作者(必填)】Paul J. FitzPatrick 【文题(必填)】Graduate Dissertations in Economics, 1950–1954 【年份(必填)】1955 【全文链接或数据库名称(选填)】https://www.tandfonline.com/doi/abs/10.1080/00 ...2019-3-23 13:36 - Mengguren15 - 求助成功区
求助下载Doctoral Dissertations，没有下载链接
1 个回复 - 562 次查看 【作者(必填)】 Hsieh Chang-Tai 【文题(必填)】 Essays in the Measurement and Explanation of Economic Growth 【年份(必填)】 1998 【全文链接或数据库名称(选填)】2018-5-4 17:03 - 1149621054clb - 求助成功区
1 个回复 - 562 次查看 【作者(必填)】 Hsieh Chang-Tai 【文题(必填)】 Essays in the Measurement and Explanation of Economic Growth 【年份(必填)】 1998 【全文链接或数据库名称(选填)】2018-5-4 17:03 - 1149621054clb - 求助成功区
A Manual for Writers of Research papers theses and dissertations
1 个回复 - 1504 次查看 A Manual for Writers of Research papers theses and dissertations 第七版 研究生和研究人员的芝加哥风格 470页 研究生怎么选题及论文如何准备指南，强烈推荐！2016-7-16 08:04 - liang_upm - 新手入门区
1 个回复 - 1504 次查看 A Manual for Writers of Research papers theses and dissertations 第七版 研究生和研究人员的芝加哥风格 470页 研究生怎么选题及论文如何准备指南，强烈推荐！2016-7-16 08:04 - liang_upm - 新手入门区
Writing the Winning Thesis or Dissertation: A Step-by-Step Guide.
0 个回复 - 947 次查看 【作者(必填)】Joyner, Randy L.; Rouse, William A. (Arthur), Jr.; Glatthorn, Allan A. 【文题(必填)】Writing the Winning Thesis or Dissertation: A Step-by-Step Guide. 【年份(必填)】2012 【全文链 ...2016-8-1 22:51 - 丘羽月之 - 文献求助专区
0 个回复 - 947 次查看 【作者(必填)】Joyner, Randy L.; Rouse, William A. (Arthur), Jr.; Glatthorn, Allan A. 【文题(必填)】Writing the Winning Thesis or Dissertation: A Step-by-Step Guide. 【年份(必填)】2012 【全文链 ...2016-8-1 22:51 - 丘羽月之 - 文献求助专区
[PhD Dissertation]Three-Level Models for Partially Nested Data Structures
6 个回复 - 2214 次查看 Three-Level Models for Partially Nested Data Structures Jessica Marie Tessler Doctor of Philosophy in Psychology University of California, Los Angeles, 2014 Professor Jennifer L. Krull, Chair Part ...2014-6-13 03:15 - ReneeBK - HLM专版
6 个回复 - 2214 次查看 Three-Level Models for Partially Nested Data Structures Jessica Marie Tessler Doctor of Philosophy in Psychology University of California, Los Angeles, 2014 Professor Jennifer L. Krull, Chair Part ...2014-6-13 03:15 - ReneeBK - HLM专版
Writing the doctoral dissertation: A systematic approach
1 个回复 - 1239 次查看 【作者(必填)】Davis, G.B. and Parker 【文题(必填)】Writing the doctoral dissertation: A systematic approach 【年份(必填)】2012 【全文链接或数据库名称(选填)】2013-11-2 12:51 - hnzb - 文献求助专区
1 个回复 - 1239 次查看 【作者(必填)】Davis, G.B. and Parker 【文题(必填)】Writing the doctoral dissertation: A systematic approach 【年份(必填)】2012 【全文链接或数据库名称(选填)】2013-11-2 12:51 - hnzb - 文献求助专区
Researching and Writing a Dissertation: A Guidebook for Business Students
3 个回复 - 1184 次查看 Researching and Writing a Dissertation: A Guidebook for Business Students Second edition Colin Fisher Pearson Education Limited 2007 Researching and Writing your Dissertation is an essenti ...2015-11-13 17:36 - toughxiaoqiang - 商学院
3 个回复 - 1184 次查看 Researching and Writing a Dissertation: A Guidebook for Business Students Second edition Colin Fisher Pearson Education Limited 2007 Researching and Writing your Dissertation is an essenti ...2015-11-13 17:36 - toughxiaoqiang - 商学院
Guide to Writing Empirical Papers, Theses, and Dissertations
3 个回复 - 3073 次查看 Product Details [*]Hardcover: 368 pages [*]Publisher: Marcel Dekker (November 21, 2001) [*]Language: English [*]ISBN-10: 0824706056 [*]ISBN-13: 978-08247060502009-1-8 20:05 - aipeng - 计量经济学与统计软件
3 个回复 - 3073 次查看 Product Details [*]Hardcover: 368 pages [*]Publisher: Marcel Dekker (November 21, 2001) [*]Language: English [*]ISBN-10: 0824706056 [*]ISBN-13: 978-08247060502009-1-8 20:05 - aipeng - 计量经济学与统计软件
Thesis and Dissertation Writingin a Second Language - A Handbook for Supervisors
1 个回复 - 952 次查看 自己买的，舍得与大家分享，收币得贵点以买下本书。2015-7-20 06:07 - davidshao333 - 商学院
1 个回复 - 952 次查看 自己买的，舍得与大家分享，收币得贵点以买下本书。2015-7-20 06:07 - davidshao333 - 商学院
Thesis and Dissertation Wge-AHandbookforSupervisors.pdfriting in a Second Langua
1 个回复 - 774 次查看 这本书很不错2015-7-20 06:14 - davidshao333 - 商学院
1 个回复 - 774 次查看 这本书很不错2015-7-20 06:14 - davidshao333 - 商学院
ProQuest Dissertations & Theses (PQDT) 论文一篇
11 个回复 - 1839 次查看 【作者(必填)】Surasvadi, Navaporn 【文题(必填)】A Survey and Two Essays on Revenue Management 【年份(必填)】2014 【全文链接或数据库名称(选填)】http://gradworks.umi.com/36/62/3662014.html2015-5-17 17:38 - 石头加油 - 求助成功区
11 个回复 - 1839 次查看 【作者(必填)】Surasvadi, Navaporn 【文题(必填)】A Survey and Two Essays on Revenue Management 【年份(必填)】2014 【全文链接或数据库名称(选填)】http://gradworks.umi.com/36/62/3662014.html2015-5-17 17:38 - 石头加油 - 求助成功区
[下载]Ph.D. dissertation: Time Series Data Mining: Identifying Temporal Patterns f
6 个回复 - 5708 次查看 Ph.D. dissertation: Time Series Data Mining: Identifying Temporal Patterns for Characterization and Prediction of Time Series EventsRichard J. Povinelli Department of Electrical and Computer Engineer ...2005-4-19 11:15 - hanszhu - 计量经济学与统计软件
6 个回复 - 5708 次查看 Ph.D. dissertation: Time Series Data Mining: Identifying Temporal Patterns for Characterization and Prediction of Time Series EventsRichard J. Povinelli Department of Electrical and Computer Engineer ...2005-4-19 11:15 - hanszhu - 计量经济学与统计软件
Dissertation, thesis, paper三词区别（BBC官方解说）
6 个回复 - 1660 次查看 No matter which university you go to, you're bound to come across these words: paper, dissertation and thesis. Most likely you're doing one right now. So are there any differences between these acad ...2014-9-24 17:41 - 立即译 - 外语学习
6 个回复 - 1660 次查看 No matter which university you go to, you're bound to come across these words: paper, dissertation and thesis. Most likely you're doing one right now. So are there any differences between these acad ...2014-9-24 17:41 - 立即译 - 外语学习
[下载]Ph.D Dissertation: Bayesian time series: Financial models and spectral analy
9 个回复 - 4562 次查看 0591538083 Broad Subject Economics & finance Subject Finance - Mathematical models.Time-series analysis.Bayesian statistical decision theory. Summary Two common methods ex ...2005-4-19 11:07 - hanszhu - 计量经济学与统计软件
9 个回复 - 4562 次查看 0591538083 Broad Subject Economics & finance Subject Finance - Mathematical models.Time-series analysis.Bayesian statistical decision theory. Summary Two common methods ex ...2005-4-19 11:07 - hanszhu - 计量经济学与统计软件
Lu, Y. (2009). Default forecasting in KMV. Dissertation for MSc mathematical and
3 个回复 - 1382 次查看 求 Lu, Y. (2009). Default forecasting in KMV. Dissertation for MSc mathematical andcomputational finance, Oriel College, University of Oxford.2014-6-9 16:34 - 千年寒玉生 - 求助成功区
3 个回复 - 1382 次查看 求 Lu, Y. (2009). Default forecasting in KMV. Dissertation for MSc mathematical andcomputational finance, Oriel College, University of Oxford.2014-6-9 16:34 - 千年寒玉生 - 求助成功区
dissertation
0 个回复 - 1707 次查看 recently i want to do some research about risk management for my dissertation of my master degree which topic should i choose to do that? could anyone give me some help?2014-3-18 01:29 - liruyi901127 - 风险管理
0 个回复 - 1707 次查看 recently i want to do some research about risk management for my dissertation of my master degree which topic should i choose to do that? could anyone give me some help?2014-3-18 01:29 - liruyi901127 - 风险管理
Looking for the Full Dissertation by Asness(1994)
0 个回复 - 1312 次查看 Looking for the Dissertation of Ph.D.: (The Full Edition not 1-17 pages) Asness, C.S.“Variables that Explain Stock Returns.” Ph.D. Dissertation, University ofChicago (1994).2014-3-2 10:38 - 3qsir - 金融学（理论版）
0 个回复 - 1312 次查看 Looking for the Dissertation of Ph.D.: (The Full Edition not 1-17 pages) Asness, C.S.“Variables that Explain Stock Returns.” Ph.D. Dissertation, University ofChicago (1994).2014-3-2 10:38 - 3qsir - 金融学（理论版）
Looking for the Full Dissertation by Asness (1994)
0 个回复 - 821 次查看 Looking for the Dissertation of Ph.D.: (The Full Edition not 1-17 pages) Asness, C.S.“Variables that Explain Stock Returns.” Ph.D. Dissertation, University ofChicago (1994).2014-3-2 10:23 - 3qsir - 金融学（理论版）
0 个回复 - 821 次查看 Looking for the Dissertation of Ph.D.: (The Full Edition not 1-17 pages) Asness, C.S.“Variables that Explain Stock Returns.” Ph.D. Dissertation, University ofChicago (1994).2014-3-2 10:23 - 3qsir - 金融学（理论版）
求Dissertation Writing in Practice: Turning Ideas into Text
0 个回复 - 774 次查看 Dissertation Writing in Practice: Turning Ideas into Text Linda Cooley, Jo Lewkowicz Hong Kong University Press, 2003年10月1日 - 212 页2014-2-12 09:53 - 鲛人泣月 - 悬赏大厅
0 个回复 - 774 次查看 Dissertation Writing in Practice: Turning Ideas into Text Linda Cooley, Jo Lewkowicz Hong Kong University Press, 2003年10月1日 - 212 页2014-2-12 09:53 - 鲛人泣月 - 悬赏大厅
A manual for writers of Research Paper, Theses, and Dissertations
1 个回复 - 2626 次查看 A manual for writers of Research Paper, Theses, and Dissertations 7th edition If you want to be a researcher, you are advised to read this book.Preface Part I Research and Writing: From Planning ...2013-11-13 18:53 - edwardng - 金融工程（数量金融）与金融衍生品
1 个回复 - 2626 次查看 A manual for writers of Research Paper, Theses, and Dissertations 7th edition If you want to be a researcher, you are advised to read this book.Preface Part I Research and Writing: From Planning ...2013-11-13 18:53 - edwardng - 金融工程（数量金融）与金融衍生品
Dissertation 紧急求助！！
1 个回复 - 894 次查看 问题是看Pay Level， Co-worker relationship，Promotion, Job stress and Commitment 这五个variables 对中国酒店员工跳槽倾向是否有影响 影响哪个大哪个小 五个自变量和一个因变量都是用5 points likert scale(李 ...2013-8-16 22:58 - wang2717 - SPSS论坛
1 个回复 - 894 次查看 问题是看Pay Level， Co-worker relationship，Promotion, Job stress and Commitment 这五个variables 对中国酒店员工跳槽倾向是否有影响 影响哪个大哪个小 五个自变量和一个因变量都是用5 points likert scale(李 ...2013-8-16 22:58 - wang2717 - SPSS论坛
Writing_Dissertations_and_Thesis 英语论文写作的指导
4 个回复 - 1273 次查看 WRITING DISSERTATIONS AND THESES 英语论文写作的宝典2013-5-12 17:48 - 姚姚乐 - 行业分析报告
4 个回复 - 1273 次查看 WRITING DISSERTATIONS AND THESES 英语论文写作的宝典2013-5-12 17:48 - 姚姚乐 - 行业分析报告
Dissertation 硕士博士论文查找技巧
36 个回复 - 3304 次查看 Dissertation 硕士博士论文查找技巧 **** 本内容被作者隐藏 ****2012-10-20 20:54 - jianghu008 - 论文版
36 个回复 - 3304 次查看 Dissertation 硕士博士论文查找技巧 **** 本内容被作者隐藏 ****2012-10-20 20:54 - jianghu008 - 论文版
Obesity: Epidemiology, Pathophysiology, and Prevention =Book for My Dissertation
21 个回复 - 2419 次查看 【作者(必填)】Debasis Bagchi & Harry G. Preuss (Editors) 【文题(必填)】Obesity: Epidemiology, Pathophysiology, and Prevention 【年份(必填)】2012 【全文链接或数据库名称(选填)】 http://www.a ...2012-12-4 10:23 - gingbrian - 求助成功区
21 个回复 - 2419 次查看 【作者(必填)】Debasis Bagchi & Harry G. Preuss (Editors) 【文题(必填)】Obesity: Epidemiology, Pathophysiology, and Prevention 【年份(必填)】2012 【全文链接或数据库名称(选填)】 http://www.a ...2012-12-4 10:23 - gingbrian - 求助成功区
【国外文献】[7-12]ProQuest Digital Dissertations（PQDD）
16 个回复 - 3271 次查看 **** 本内容被作者隐藏 ****2009-7-12 13:09 - paxwkj - 国内外文献账号区
16 个回复 - 3271 次查看 **** 本内容被作者隐藏 ****2009-7-12 13:09 - paxwkj - 国内外文献账号区
Guide to the Successful Thesis and Dissertation
2 个回复 - 906 次查看 对于如何写作theis和dissertation给予了很好的指导2010-4-28 22:41 - lewst - 经管书评
2 个回复 - 906 次查看 对于如何写作theis和dissertation给予了很好的指导2010-4-28 22:41 - lewst - 经管书评
Dissertation Proposal
0 个回复 - 1109 次查看 I am kindof writting a dissertation proposal on hedonic pricing model application in electricity industry in China. What do you think? Any ideas or suggestions or data resources are welcome.. T ...2011-9-6 03:24 - blessings - 论文版
0 个回复 - 1109 次查看 I am kindof writting a dissertation proposal on hedonic pricing model application in electricity industry in China. What do you think? Any ideas or suggestions or data resources are welcome.. T ...2011-9-6 03:24 - blessings - 论文版
Time Series: Dickey (1976) Ph.D dissertation
1 个回复 - 856 次查看 "Estimation and hypothesis testing in nonstationary time series"2011-8-7 11:14 - rucergo - 经济金融数学专区
1 个回复 - 856 次查看 "Estimation and hypothesis testing in nonstationary time series"2011-8-7 11:14 - rucergo - 经济金融数学专区
Dissertation: Application of Data Mining in Medical Applications
0 个回复 - 1596 次查看 Abstract Data mining is a relatively new field of research whose major objective is to acquire knowledge from large amounts of data. In medical and health care areas, due to regulations and due to th ...2009-12-2 20:23 - j2hu - 数据分析与数据挖掘
0 个回复 - 1596 次查看 Abstract Data mining is a relatively new field of research whose major objective is to acquire knowledge from large amounts of data. In medical and health care areas, due to regulations and due to th ...2009-12-2 20:23 - j2hu - 数据分析与数据挖掘
[下载]How to Write a Good (no, Great) PhD Dissertation
3 个回复 - 2239 次查看 2009-1-17 11:22 - ws_200 - 市场营销
3 个回复 - 2239 次查看 2009-1-17 11:22 - ws_200 - 市场营销
