ҵ阿尔夫威德森分布 Arfwedson distribution1000Ϊظʱ併
ȫ-ͨʵҵ-û1999-2020꣩
0 ظ - 255 β鿴
1Դƣȫ-ͨʵҵ-û
2ʱ䷶Χ1999-2020
3Դйͳйʡͳ
4Ҫָ꣺
ͨضϢɼ빲Ĵͨ ...
2023-5-20 16:17 - dz - ֽװ
ȫʡֱϵȫϵӦϵӰϵԭʼ+
4 ظ - 1039 β鿴
ȫʡֱϵȫϵӦϵӰϵԭʼ+̡
01ݣ
2002200720122017
02Դ
ͳƾͶ42
03˵
ֱϵ ...
2023-5-18 23:24 - ɲŵ - ֽװ
2023ۡ¼÷
36 ظ - 7213 β鿴
ʱһĹ¼ˣ
Ͷ¡
ľһڣдĶȽ°ɣշתרң2022һ
֮ĶDZ༭ڲޡ
Ҳ ...
2023-5-19 09:28 - dumei2 - ѧ¼ල
߹ְܳ2005-2022
1 ظ - 351 β鿴
й˾߹ְܳ2005-2022ںst˾ֱʹײοҽ;.Լ߹ְܳ[J].ѧ,2018,(03):28-48.ͨ·ʽм
ݰԭʼݡ ...
2023-5-21 16:44 - ĵ - ֽװ
31ʡ֧ ܷ ZF ֧ ռGDPı ˾
495 ظ - 8188 β鿴
31ʡ֧
ʱ䣺2009-202031ʡ
Դ ͼƻίԱᡢҽҩȱʧ200918ʡݣ201024ʡݣ201130ʡݣ2012-2020ȱʧָ ...
2023-5-19 11:23 - - ֽװ
ƼԷعһ
6 ظ - 4544 β鿴
ΪڻƷԷʱijЩܴȱʧֵعһ𣿻˵عҪһأ
2023-5-19 11:12 - һҪҵ - ѧͳ
ؼũ˾·2000-2022
2 ظ - 393 β鿴
ؼũ˾·2000-2022ָʡ ˾·ƽף
£
ؼũ˾·2000-2022ָʡ ˾·ƽף
£
2023-5-20 08:56 - ˲С - ֽװ
CEOƫá߷ƫ2006-2022
0 ظ - 456 β鿴
οף,ˮ,,.շѡCEOƫҵΥ[J].о,2021(03):84-95.Walls(1996)ӱ÷(2011)CEOƫõĶ㽻Խʲɹ۽ʲͶԷز ...
2023-5-19 13:58 - ĵ - ֽװ
Ȱ桿Aй˾ò20231ȣƥ ṩ
13 ظ - 3471 β鿴
й˾[Ȱ]
Ȱ汾
https://bbs.pinggu.org/thread-11501087-1-1.html
1ݸʽ
dtaʽstata14/15/16/17汾
ҪװԸأصַ
ṩͺϲʹô ...
2023-5-18 16:12 - momingqimiao7 - ֽװ
2000-2021ǻ۳СԵƥ
0 ظ - 568 β鿴
ƣǻ۳СԵƥ2000-2021ȫ300*22=6600ο[1]ʯǧ,,ƽ,.ǻ۳нܷͻȾ[J].йҵ,2018(06):117-135.[2]տӾ, ...
2023-5-19 15:02 - JKC11111 - ֽװ
¡ҵֱʹã2022
8 ظ - 7840 β鿴
ҵ
ԭַhttps://bbs.pinggu.org/thread-9163031-1-1.html
ҵߣ2001-2022꣩ʡݲҵߣ2006-2022꣩
ҵ
Ӧʡݲҵ ...
2023-5-19 10:17 - Nochoal - ֽװ
20112021꣩ESGжҵзͶӰ
0 ظ - 404 β鿴
1ԴƣESGжҵзͶӰ
2ʱ䷶Χ20112021
3Դ֤ESGϵй˾걨
4Ҫָ꣺
ֱ飨2023ŶӶѧESGжҵ ...
2023-5-20 16:06 - dz - ֽװ
31ʡũ̶ʲͶ(ͣ)ָ Ͷסլ۱
504 ظ - 6081 β鿴
31ʡũ̶ʲͶ(ͣ)ָ
ͳƵ31ʡ
ͳʱ䣺1999-2021
Դͳвȱʧ
ͳָ꣺ũ̶ʲͶ(Ԫ)(ͣ)Ͷ(Ԫ)(ͣ)סլͶ(Ԫ ...
2023-5-19 11:04 - - ֽװ
380ؼгпָAQI2000-2019
495 ظ - 8327 β鿴
380ؼгпָAQI2000-2019
ݣ2000-2019380ؼԴйվָݡд롢ơAQIָ
ͼ
(2023-12- ...
2023-5-19 12:39 - - ֽװ
ѧͶѯ
1 ظ - 671 β鿴
ʸλͬʣµͶѧݵͶѧ50δյκλظ绰ҲͨDZܸ
2023-5-18 16:09 - yupeip - ũ־ѧ
2003-2021й˾Ȩ-ɷַ+ݣ
2 ظ - 323 β鿴
2003-2021й˾Ȩ-ɷַ+ݣ
Stata16
䣺2003-2021ɸҪе
۲ֵ42632
˵Ϊ2003-2021й˾Ȩݣ㷽ʹ ...
2023-5-19 09:22 - - ֽװ
2022ݡ߹Ϣ stata
54 ظ - 1980 β鿴
2022ݡ߹Ϣ
stata
1.ݣ1999-2022꣨2022ݲȫȱʧ
ºѹϵȡ
2.ݣԭʼ++ս+ο
...
2023-5-21 15:20 - w - ֽװ
2000-2022ؼ˾ũҵеܶ
0 ظ - 415 β鿴
2000-2022ؼ˾ũҵеָܶʡݡݡ˾ũҵеܶǧߣ
2000-2022ؼ˾ũҵеָܶʡݡݡ˾ũҵеܶǧߣ
2000-2022ؼ˾ũ ...
2023-5-18 08:57 - СС - ֽװ
й-绰û2004-2020
0 ظ - 279 β鿴
ƣй-绰û2004-202034381Դطͳƾֲο[1],,.־áҵԾչйеľ֤[J].,2020,36(10 ...
2023-5-19 14:56 - JKC11111 - ֽװ
㳡++ӻ
0 ظ - 193 β鿴
㳡dzۺ弰乫ռҪʵڳۺķչı£زҵۺ巽ȹ֪زšOŽĽҵزг ...
2023-5-19 15:10 - JKC11111 - ֽװ
ʿѶ | ĺڿͶ巽ʽܱȫ棩
6 ظ - 5186 β鿴
֮ҿѶһ24 | ѧ2024ʿоʽӲ | УʿҵķҪһ
ʿѶ | ѧ֮격ʱߣְֽչؼڵ㣡
ʿѶ | 2023격ʿо ...
2023-5-19 10:27 - jinlu310 - ܿ
ηչ˼ϵ̸2
13 ظ - 1735 β鿴
ڳ˼άIJϷչ˼Ψ
棩
ժԡ˼ά̡̳2 ԭڹйĸ̳ġηչ˼ۡ
Դӳ˼ά ...
2023-5-18 10:20 - ˼1958 - ˼徭ѧ
⾭ó2001-2022꣨ѧ2201+Ӣ1101
3 ظ - 437 β鿴
⾭ó2001-2022꣨ѧ2201+Ӣ1101⾭ó2001-2022꣨ѧ2201+Ӣ1101
⾭ó2001-2022꣨ѧ2201+Ӣ1101⾭ó2001-2022꣨ѧ2201+Ӣ11 ...
2023-5-19 00:35 - Luffy_D - ֽװ
ڲƷ
7 ظ - 1270 β鿴
оڳڲƷuuǹҵʡݡҵҲĶѽ
2023-5-19 15:54 - Ļ - ʹ
̼Ե
0 ظ - 449 β鿴
̼ԵԼ
ѡΪ̼СԵеΪĽͱһбΪ̼СԵе꼰ԺñȡֵΪ1δѡΪ0
2023-5-21 14:50 - qwerzmy - ֽװ
ʡἰе
3 ظ - 751 β鿴
֮ĵ뼰γ
йʡʡ
2023-5-20 20:05 - tbbc - ݽ
2000-2020ʡݲȨ
0 ظ - 338 β鿴
а֮ǰݼԼ2000-2020ʡݲȨ
οף
[1]־,ױ.ȨԤ֧ƫ[J].۾о,2019(08):15-27+38.DOI:10.16304/j.cnki.11-3952 ...
2023-5-18 10:33 - һҳ - ֽװ
¡2022-1990й˾۷Ѻͻ˰
2 ظ - 567 β鿴
1.ƣ2022-1990й˾۷Ѻͻ˰
2.㷽ʽοCӺѧѧѧѧ棩ţ2022ʦо IJ廷˰Ȼ˰ֻ˰۷ ...
2023-5-21 11:17 - ɲŵ - ֽװ
й߲ȷָ1995-2022
0 ظ - 479 β鿴
¡й߲ȷָ1995-2022
EPU1_MonthlyԭʼݣBaker(2016)ݡϻ籨ıľ߲ȷָÿ¶
EPU2_MonthlyԭʼݣSteven J. DavisD ...
2023-5-21 18:45 - danaoker - ֽװ
й˾ڲн2000-2021
1 ظ - 411 β鿴
ƣй˾ڲн2000-20211999-202143057ָ˵16ָ꣺codeyear֤ȯ롢ӦְнꡢԱְ֧ԼΪְֽ֧𡢼ܲж ...
2023-5-19 15:16 - JKC11111 - ֽװ
1919ʡ̻ѧУѧݣ߱
0 ظ - 396 β鿴
ƣ1919ʡ̻ѧУѧݣ߱ݣ1919ʡ̻СѧСѧѧԼӦѧ
ο[1],˳,.֪ʶȨҵϢ[J].йҵ ...
2023-5-19 14:43 - JKC11111 - ֽװ
ߺůĵһվס7죡
11 ظ - 1722 β鿴
520գ2023ߺӢ˲ջʽȫӢ˲֮Լ˲ߺѰΡΡԲΡڽĿĻʽϣڶӢ˲վʽƣѧ10Ӣ˲ ...
2023-5-20 14:56 - zbin7451f - ѧ
ֻ֪ʳƷҵ˵
12 ظ - 917 β鿴
ҵɡ̣ʳƷҵԶ˵517磬ֻġʳƷҵƷάȨ˵һ½ᡱߺɹٰ죬ֻϹڶʳƷҵͷҵ֪Ʒߺּڶʳ ...
2023-5-18 21:50 - zbin7451f - ҵĻ