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   18027篇
  免费   1280篇
各国政治   744篇
工人农民   861篇
世界政治   1241篇
外交国际关系   590篇
法律   12482篇
中国共产党   2篇
中国政治   116篇
政治理论   3175篇
综合类   96篇
  2023年   86篇
  2021年   90篇
  2020年   449篇
  2019年   468篇
  2018年   608篇
  2017年   632篇
  2016年   696篇
  2015年   532篇
  2014年   565篇
  2013年   1908篇
  2012年   511篇
  2011年   527篇
  2010年   549篇
  2009年   577篇
  2008年   541篇
  2007年   528篇
  2006年   526篇
  2005年   454篇
  2004年   449篇
  2003年   380篇
  2002年   422篇
  2001年   688篇
  2000年   613篇
  1999年   490篇
  1998年   246篇
  1997年   178篇
  1996年   195篇
  1995年   197篇
  1994年   175篇
  1993年   184篇
  1992年   309篇
  1991年   316篇
  1990年   297篇
  1989年   283篇
  1988年   307篇
  1987年   265篇
  1986年   324篇
  1985年   319篇
  1984年   253篇
  1983年   230篇
  1982年   178篇
  1981年   155篇
  1980年   145篇
  1979年   220篇
  1978年   119篇
  1977年   95篇
  1975年   95篇
  1974年   128篇
  1973年   84篇
  1972年   79篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
181.
182.
183.
184.
This paper highlights the difficulties and complexities of development assistance projects through an analysis of 2 Urban Functions in Rural Development projects conducted by the US Agency for International Development (AID) in Upper Volta and northern Cameroon in 1977-82. The general objectives of the Upper Volta project were to carry out urban function studies, develop a plan for strengthening the contributions of urban centers to rural development, develop a list of investment priorities for facilities and services, and increase the capacities of the Ministry in planning processes and methods. The 2-year project was hindered by a 1-year delay in initiating assistance due to difficulties in locating a contractor. In addition, the contractor and other team members felt there was little justification for studies of spatial organization in a country with so much evident need; rather, they focused on a small rural works program and establishment of effective local government, producing an inconsistency between team activities and the original project agreement. A request by the team to extend the project 1 year beyond its official completion date to compensate for early delays was rejected by USAID. Nonetheless, there was agreement that the project had a small positive impact in Upper Volta. Key lessons from Upper Volta were transferred to the Cameroon project. Although this project was judged to have achieved its objective of preparing a regional plan and of identifying programs for facilities, services, and small-scale enterprises, it was beset by problems of inexperience and technical underqualification of team members, poor communication, inconsistency of USAID guidelines, and methodological confusion. It is suggested that a central challenge for such programs is to create a body of qualified Americans who can work with their local counterparts in meeting the challenges of development. A measure of the success or failure of these projects should be the degree to which learning contributes to improved performance.  相似文献   
185.
The issue of whether civilly committed patients should be extended the right to accept or refuse treatment has generated much controversy and litigation during the past 15 years. In general, the current rule is that in nonemergency situations, individuals who are competent to give informed consent to treatment should be extended the right to refuse it. Obviously, the manner in which this rule is implemented partly depends on how competence to consent to treatment is defined and measured. Most researchers have implicitly assumed that an understanding of treatment information is the sole criterion of competence. It is argued that such a definition may be incomplete and is in need of reexamination. Following a review and analysis of the relevant legal and psychological literature, a comprehensive construct of competency to consent to treatment is proposed and future directions for research are discussed.  相似文献   
186.
187.
188.
189.
190.
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