结果：找到“str\_sub”相关内容11个，排序为按回复时间降序，搜索更多相关帖子请点击“高级”
Detection and Impact of Industrial Subsidies:
2 个回复 - 410 次查看 【作者(必填)】Myrto Kalouptsidi 【文题(必填)】Detection and Impact of Industrial Subsidies: The Case of Chinese Shipbuilding 【年份(必填)】2017 【全文链接或数据库名称(选填)】https://academic.ou ...2019-1-17 13:07 - stonehd - 求助成功区
2 个回复 - 410 次查看 【作者(必填)】Myrto Kalouptsidi 【文题(必填)】Detection and Impact of Industrial Subsidies: The Case of Chinese Shipbuilding 【年份(必填)】2017 【全文链接或数据库名称(选填)】https://academic.ou ...2019-1-17 13:07 - stonehd - 求助成功区
Metathesis in Natural Product Synthesis: Strategies, Substrates and Catalysts
1 个回复 - 278 次查看 Emphasizing the impact of metathesis in natural product synthesis through the different types of key reactions, this is a comprehensive view of a hot topic. Written by top international authors, t ...2018-6-21 10:12 - xdfhz - 经管书评
1 个回复 - 278 次查看 Emphasizing the impact of metathesis in natural product synthesis through the different types of key reactions, this is a comprehensive view of a hot topic. Written by top international authors, t ...2018-6-21 10:12 - xdfhz - 经管书评
Building Organizational Capability of Distributed Global Teams: Strong Subgroups
1 个回复 - 590 次查看 【作者(必填)】Sirkka L. Jarvenpaa 【文题(必填)】Building Organizational Capability of Distributed Global Teams: Strong Subgroups without Active Faultlines 【年份(必填)】2016 【全文链接或数据库 ...2016-8-23 09:30 - chenglong594 - 求助成功区
1 个回复 - 590 次查看 【作者(必填)】Sirkka L. Jarvenpaa 【文题(必填)】Building Organizational Capability of Distributed Global Teams: Strong Subgroups without Active Faultlines 【年份(必填)】2016 【全文链接或数据库 ...2016-8-23 09:30 - chenglong594 - 求助成功区
Urban spatial structure, suburbanization and transportation in Barcelona
2 个回复 - 889 次查看 【作者(必填)】Miquel-àngel Garcia-López 【文题(必填)】Urban spatial structure, suburbanization and transportation in Barcelona 【年份(必填)】2012 【全文链接或数据库名称(选填)】http://www.scie ...2014-11-9 20:50 - whaizhuang - 求助成功区
2 个回复 - 889 次查看 【作者(必填)】Miquel-àngel Garcia-López 【文题(必填)】Urban spatial structure, suburbanization and transportation in Barcelona 【年份(必填)】2012 【全文链接或数据库名称(选填)】http://www.scie ...2014-11-9 20:50 - whaizhuang - 求助成功区
Finite Element Analyses on Dynamic Responses of a Portable Instrument Subjected
4 个回复 - 605 次查看 【作者(必填)】 【文题(必填)】Finite Element Analyses on Dynamic Responses of a Portable Instrument Subjected to Drop/Impact 【年份(必填)】2012 【全文链接或数据库名称(选填)】https://www.research ...2020-7-18 22:47 - victorbian - 文献求助专区
4 个回复 - 605 次查看 【作者(必填)】 【文题(必填)】Finite Element Analyses on Dynamic Responses of a Portable Instrument Subjected to Drop/Impact 【年份(必填)】2012 【全文链接或数据库名称(选填)】https://www.research ...2020-7-18 22:47 - victorbian - 文献求助专区
R语言使用str_length()和str_sub()函数提取出一个字符串最中间的字符
0 个回复 - 5999 次查看 使用str_length()和str_sub()函数提取出一个字符串最中间的字符。当字符串长度为奇数时，输出正中间的一个字符；当字符串长度为偶数时，输出中间两个字符。 例如：输入“abc”则输出“b”，输入“abcd”则输出“bc” ...2019-5-14 20:04 - mmsw - R语言论坛
0 个回复 - 5999 次查看 使用str_length()和str_sub()函数提取出一个字符串最中间的字符。当字符串长度为奇数时，输出正中间的一个字符；当字符串长度为偶数时，输出中间两个字符。 例如：输入“abc”则输出“b”，输入“abcd”则输出“bc” ...2019-5-14 20:04 - mmsw - R语言论坛
关于substr subinstr
2 个回复 - 3462 次查看 想问问诸位坛友substr subinstr两者在使用上有什么不一样的地方？能不能举例的，help文件中好像并没有详细说明。谢谢2018-2-28 10:27 - xiazhiyuan - Stata专版
2 个回复 - 3462 次查看 想问问诸位坛友substr subinstr两者在使用上有什么不一样的地方？能不能举例的，help文件中好像并没有详细说明。谢谢2018-2-28 10:27 - xiazhiyuan - Stata专版
Semantic processing of texts in restricted sublanguages
0 个回复 - 352 次查看 摘要：Sublanguages which appear insufficiently closed for semantic processing often carry an important component of information which is encoded in a linguistica...原文链接:http://www.sciencedirect.co ...2018-1-24 06:00 - DL-er - 人工智能论文版
0 个回复 - 352 次查看 摘要：Sublanguages which appear insufficiently closed for semantic processing often carry an important component of information which is encoded in a linguistica...原文链接:http://www.sciencedirect.co ...2018-1-24 06:00 - DL-er - 人工智能论文版
求助Presentation to the Energy and Industry Subgroup, Response Strate, Pa
1 个回复 - 713 次查看 【作者(必填)】 KayaYoichi 【文题(必填)】 Impactof Carbon Dioxide Emission on GNP Growth: Interpretation of Proposed Scenarios[R].Presentation to the Energy and Industry Subgroup, Response St ...2017-1-24 14:20 - yuhualu - 文献求助专区
1 个回复 - 713 次查看 【作者(必填)】 KayaYoichi 【文题(必填)】 Impactof Carbon Dioxide Emission on GNP Growth: Interpretation of Proposed Scenarios[R].Presentation to the Energy and Industry Subgroup, Response St ...2017-1-24 14:20 - yuhualu - 文献求助专区
Detection and impact of industrial subsidies: The case of Chinese shipbuilding
3 个回复 - 1335 次查看 Detection and impact of industrial subsidies: The case of Chinese shipbuildingMyrto Kalouptsidi 09 September 2017China’s shipbuilders have doubled their market share in recent years. It is hard to de ...2017-9-10 17:54 - 阿袋 - 世界经济与国际贸易
3 个回复 - 1335 次查看 Detection and impact of industrial subsidies: The case of Chinese shipbuildingMyrto Kalouptsidi 09 September 2017China’s shipbuilders have doubled their market share in recent years. It is hard to de ...2017-9-10 17:54 - 阿袋 - 世界经济与国际贸易
请高手指点：如何搜索一个string variable里是否含有substring
3 个回复 - 1617 次查看 譬如我有一个variable为“school”， 格式为“XXX小学”， “TTT中学” 等， 我现在想用指令if school 包含 "小学“， 或者”中学“， then primaryormiddleschool=1 不知如何编写2013-7-9 05:55 - soundlove - SAS专版
3 个回复 - 1617 次查看 譬如我有一个variable为“school”， 格式为“XXX小学”， “TTT中学” 等， 我现在想用指令if school 包含 "小学“， 或者”中学“， then primaryormiddleschool=1 不知如何编写2013-7-9 05:55 - soundlove - SAS专版
