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   3977篇
  免费   120篇
  2020年   47篇
  2019年   66篇
  2018年   357篇
  2017年   267篇
  2016年   328篇
  2015年   72篇
  2014年   64篇
  2013年   662篇
  2012年   93篇
  2011年   256篇
  2010年   257篇
  2009年   120篇
  2008年   144篇
  2007年   190篇
  2006年   65篇
  2005年   61篇
  2004年   55篇
  2003年   40篇
  2002年   42篇
  2001年   62篇
  2000年   28篇
  1999年   36篇
  1998年   29篇
  1997年   35篇
  1996年   22篇
  1995年   31篇
  1994年   30篇
  1993年   39篇
  1992年   30篇
  1991年   19篇
  1990年   21篇
  1989年   10篇
  1988年   27篇
  1987年   26篇
  1986年   29篇
  1985年   26篇
  1984年   42篇
  1983年   22篇
  1982年   29篇
  1981年   30篇
  1980年   28篇
  1979年   20篇
  1978年   24篇
  1977年   21篇
  1976年   29篇
  1974年   13篇
  1973年   14篇
  1972年   18篇
  1970年   12篇
  1967年   10篇
排序方式: 共有4097条查询结果,搜索用时 0 毫秒
21.
The advent of the Hawke government may not warrant the title of ‘The Revolution in Australian Politics’, but it has raised questions about organisation and power, and the way in which these are handled in political science. This paper begins by identifying what is considered problematic in the political practices which are seen as distinctive in the Hawke government. It outlines the elements of the paradigm of organisation which underlies much political science, and identifies the way in which these are challenged by ‘corporatist’ or ‘Hawkeish’ forms of political activity. It argues that this paradigm of organisation is under attack on both conceptual and empirical grounds, and outlines an alternative paradigm of organisation and the way in which it applies to government. It concludes with a consideration of the implications of this approach for theorising about the state.  相似文献   
22.
23.
24.
Discovery of the uses and later the invention of fire-making are fundamental to humanity. Following reports over the last decade of traces of fire found on Lower Pleistocene archaeological sites in eastern Africa, the dating of the control of fire by hominids has become a controversial issue. In this paper we critically review the contexts and, in the light of a battery of archaeometric techniques, the nature of reported instances of fire from Koobi Fora and Chesowanja in Kenya, and from Gadeb and the Middle Awash in Ethiopia. We conclude with a discussion of the roles fire may have played in the lifeways of early Pleistocene savanna-living hominids.
Résumé La découverte des usages du feu et ensuite de sa préparation est fondamentale pour l'humanité. Suite à des rapports au cours de la dernière décennie signalant des traces de feu relevées dans des sites archéologiques du Pléistocène inférieur dans l'est de l'Afrique, la datation du contrôle du feu par les hominiens est devenu une source de controverse. Dans cet article, nous révisons d'un oeil critique les contextes et la nature des cas de feu signalés à Koobi Fora et à Chesowanja au Kenya, et à Gadeb et dans l'Awash moyen en Éthiopie, à la lumière d'une suite de techniques archéometriques. Suit en conclusion une discussion sur les rôles qu'aurait pu jouer le feu dans les modes de vie des hominiens vivant dans les savannes du Pléistocène inférieur.
  相似文献   
25.
The Multiregional Variable Input-Output (MRVIO) model is introduced to measure the development impact of a transportation system. The MRVIO model is a theoretically flexible, computationally simple, and cost-responsive model. Under the MRVIO model, regional input-output coefficients, trade coefficients, and trade flows become cost responsive and easy to compute. The MRVIO model is employed to measure the development impact of the Arkansas waterway during the period of 1974 to 1978. In the study, the U.S. economy is disaggregated into 3 regions and 35 industrial sectors. The MRVIO model estimates the economic conditions of these 3 regions with and without the waterway in terms of industrial output, income, employment, and trade flows.  相似文献   
26.
Sutton and Lawless review a selection of the prolific literature on the Maghreb's human geography published from the late 1970s onward. The pedigree of the discipline in Maghreb was established by several notable geographers who lived, researched, and wrote there. Augustin Bernard's writings on rural settlement, his atlas, and study of Algeria are still cited. Jean Despois's regional study with Raynal and his work on Tunisia, together with the detailed rural research of Jean Poncet, provides a particularly rich coverage for that country. Jean Dresch's early work on Morocco exemplified an early critique of the contemporaneous uncritical colonial human geography. The Sahara's fascination also inspired pioneering studies by Robert Capot-Rey. The work of these notables and others provided a solid background of geographical literature on the Maghreb to be supplemented, criticized, and challenged by more recent researchers, sometimes pupils of the above individuals, and increasingly North African by birth. The tradition of general texts on the Maghreb has continued, though increasingly with systematic approaches replacing regional appraisals. The geography of the decolonization of the Maghreb by Isnard has been replaced by a study summarizing recent collaborative work by a team of French geographers. The Saharan extensions of the Maghreb states have often been linked in general works, sometimes being juxtaposed against the Maghreb as in the essays offered to Jean Despois. Lawless and Findlay's collaborative study juxtaposes geographical studies of each country's economic development with political scientists' evaluations of their sociopolitical development. This review limits itself largely to geographers and geographical journals, only occasionally including significant works from other subject areas, and to 1977-1978 publications, with a few notable exceptions. The spatial juxtaposition of contrasting approaches to economic development, liberal market economy approaches by Tunisia and Morocco arguably leading to dependency, and centrally-planned strategies by Algeria and Libya resulting in bureaucratic constraints serves to offer the Maghreb as a pertinent case-study region for the applied geographer of developing countries.  相似文献   
27.
REVIEW     
Society and the Dance: The Social Anthropology of Process and Performance. Edited by Paul Spencer. Cambridge: Cambridge University Press. 1985. Pp. x + 214. Price: $A22.00 (paperback), $A66.50 (hardback).  相似文献   
28.
29.
30.
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