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   10455篇
  免费   547篇
各国政治   416篇
工人农民   354篇
世界政治   807篇
外交国际关系   299篇
法律   7070篇
中国共产党   1篇
中国政治   54篇
政治理论   1961篇
综合类   40篇
  2021年   60篇
  2020年   192篇
  2019年   232篇
  2018年   231篇
  2017年   291篇
  2016年   295篇
  2015年   245篇
  2014年   268篇
  2013年   982篇
  2012年   234篇
  2011年   302篇
  2010年   286篇
  2009年   299篇
  2008年   285篇
  2007年   256篇
  2006年   273篇
  2005年   248篇
  2004年   248篇
  2003年   233篇
  2002年   237篇
  2001年   462篇
  2000年   418篇
  1999年   291篇
  1998年   181篇
  1997年   147篇
  1996年   124篇
  1995年   117篇
  1994年   144篇
  1993年   131篇
  1992年   196篇
  1991年   217篇
  1990年   203篇
  1989年   212篇
  1988年   204篇
  1987年   190篇
  1986年   231篇
  1985年   206篇
  1984年   159篇
  1983年   169篇
  1982年   112篇
  1981年   120篇
  1980年   85篇
  1979年   131篇
  1978年   74篇
  1977年   73篇
  1976年   69篇
  1974年   73篇
  1973年   66篇
  1972年   66篇
  1970年   46篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
11.
12.
13.
14.
15.
16.
Divorce, although a statistical norm, is a developmental trauma to the children involved. This article looks at the two-camp emotional environment of a divorcing family and its effect on the formation of a child's identity. By examining developmental ages, chosen according to divorce research, the author attempts to show how the interspouse emotional cathexes negatively affect a child's sense of self in ways specific to the child's age at the divorce.  相似文献   
17.
The DNA commission of the International Society of Forensic Genetics (ISFG) was convened at the 21st congress of the International Society for Forensic Genetics held between 13 and 17 September in the Azores, Portugal. The purpose of the group was to agree on guidelines to encourage best practice that can be universally applied to assist with mixture interpretation. In addition the commission was tasked to provide guidance on low copy number (LCN) reporting. Our discussions have highlighted a significant need for continuing education and research into this area. We have attempted to present a consensus from experts but to be practical we do not claim to have conveyed a clear vision in every respect in this difficult subject. For this reason, we propose to allow a period of time for feedback and reflection by the scientific community. Then the DNA commission will meet again to consider further recommendations.  相似文献   
18.
In a case of first impression, the Trademark Trial and AppealBoard of the US Patent and Trademark Office has held that theflavour orange is not registrable for use with quick-dissolvingantidepressant tablets and pills.  相似文献   
19.
This paper links the policy context regarding S&T parks to the objectives and characteristics of the established parks and incubators in a relatively small, converging European country. S&T parks and incubators in Greece during the past decade and a half have gradually shifted in terms of ownership and management from university/research institute to the private sector and in terms of financing from public to private funds, also involving the provision of seed capital and access to venture capital. This gradual shift toward more private engagement has created a variety of models out of which, it is hoped, successful innovative companies will emerge in larger numbers than in the past.
  相似文献   
20.
Abstract. The paper replies to Bix and Soper ( Bix 2007 ; Soper 2007 ). Bix's paper raises methodological questions, especially whether a form‐theorist merely needs to reflect on form from the arm‐chair so to speak. A variety of methods is called for, including conceptual analysis, study of usage, “education in the obvious,” general reflection on the nature of specific functional legal units, empirical research on their operation and effects, and still more. Further methodological remarks are made in response to Soper's paper. Soper suggests the possibility of substituting “form v. substance” of a unit as the central contrast here rather than form v. complementary material or other components of a unit. Various reasons are given here for not doing this. Among other things, it is also argued here that form does not, contrary to Soper's suggestion, always follow substance.  相似文献   
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