首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   12587篇
  免费   1318篇
各国政治   486篇
工人农民   415篇
世界政治   931篇
外交国际关系   385篇
法律   9380篇
中国共产党   1篇
中国政治   86篇
政治理论   2147篇
综合类   74篇
  2020年   371篇
  2019年   380篇
  2018年   438篇
  2017年   513篇
  2016年   528篇
  2015年   463篇
  2014年   470篇
  2013年   1331篇
  2012年   310篇
  2011年   396篇
  2010年   569篇
  2009年   534篇
  2008年   319篇
  2007年   284篇
  2006年   380篇
  2005年   270篇
  2004年   258篇
  2003年   254篇
  2002年   230篇
  2001年   455篇
  2000年   359篇
  1999年   305篇
  1998年   152篇
  1997年   140篇
  1996年   109篇
  1995年   135篇
  1994年   142篇
  1993年   119篇
  1992年   220篇
  1991年   237篇
  1990年   217篇
  1989年   233篇
  1988年   209篇
  1987年   181篇
  1986年   207篇
  1985年   226篇
  1984年   223篇
  1983年   186篇
  1982年   149篇
  1981年   131篇
  1980年   131篇
  1979年   151篇
  1978年   94篇
  1977年   80篇
  1976年   67篇
  1975年   71篇
  1974年   77篇
  1973年   64篇
  1972年   56篇
  1971年   59篇
排序方式: 共有10000条查询结果,搜索用时 31 毫秒
271.
Proportional representation systems affect the extent to which elected legislators exhibit various attributes that allow them to earn a personal vote. The sources of variation in personal vote-earning attributes (PVEA) lie in informational shortcuts voters use under different electoral rules. List type (closed or open) and district magnitude (the number of legislators elected from a district) affect the types of shortcuts voters employ. When lists are closed, legislators' PVEA are of decreasing usefulness to voters as magnitude (and hence the number of candidates on a list) increases. When lists are open, legislators' PVEA are increasingly useful to voters as magnitude increases, because the number of candidates from which voters must choose whom to give a preference vote increases. As predicted by the theory, the probability that a legislator will exhibit PVEA—operationalized as local birthplace or lower-level electoral experience—declines with magnitude when lists are closed, but rises with magnitude when lists are open .  相似文献   
272.
273.
The “Robin Hood” system of school financing in Texas takes property tax funds from wealthy school districts and gives them to poorer districts. This paper examines Permanent School Fund‐insured, school district debt and discovers that under the “Robin Hood” system, Texas school districts with either Aa or A1 underlying credit ratings have higher borrowing costs than districts with lower ratings. Also, the borrowing costs of Texas school districts with underlying credit ratings of Aa and A1 are higher than those for non‐Texas, privately insured school districts with the same ratings, while the borrowing costs of A and Baa‐rated Texas school districts are lower.  相似文献   
274.
275.
We examine the association between calorie-based indicators and experiential indicators of food security using data from slum households of Kolkata surveyed in 2010–2011. Experiential indicator is constructed following the United States Household Food Security Survey Module. Calorie based indicator is constructed using household-specific calorie norms. Modelling techniques take account of potential endogeneity in the relationship. The two indicators are aligned in the same direction implying more accurate targeting. However, there is a lack of one-to-one correspondence between the two measures and the drivers of calorie deprivation and food insecurity also differ, suggesting a one-size-fits-all policy cannot address both concerns simultaneously.  相似文献   
276.
D. Shin 《亚洲事务》2017,48(3):510-528
In recent years, North Korea’s military provocations have been making the headlines. Beyond its harsh actions and remarks, North Korea persistently mentions ‘peace’ through a demand for a ‘peace treaty’. This may sound paradoxical. However, the origin of the North Korean argument for a peace treaty dates back to the Korean War (1950–53). Since then, North Korea has continued to raise the issue of a peace treaty in a consistent manner and the arguments have displayed similar logic and terminology throughout. It is this consistency and similarity that this article examines: through reviewing North Korea’s original texts, this article attempts to undercover North Korea's perspectives reflected in its argument for a peace treaty.  相似文献   
277.
278.
279.
280.
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号