全文获取类型
收费全文 | 23995篇 |
免费 | 129篇 |
国内免费 | 12篇 |
专业分类
教育 | 17017篇 |
科学研究 | 3354篇 |
各国文化 | 91篇 |
体育 | 1319篇 |
综合类 | 5篇 |
文化理论 | 482篇 |
信息传播 | 1868篇 |
出版年
2021年 | 128篇 |
2020年 | 185篇 |
2019年 | 334篇 |
2018年 | 2509篇 |
2017年 | 2357篇 |
2016年 | 1845篇 |
2015年 | 305篇 |
2014年 | 387篇 |
2013年 | 2364篇 |
2012年 | 482篇 |
2011年 | 927篇 |
2010年 | 1042篇 |
2009年 | 631篇 |
2008年 | 821篇 |
2007年 | 1327篇 |
2006年 | 232篇 |
2005年 | 545篇 |
2004年 | 577篇 |
2003年 | 499篇 |
2002年 | 266篇 |
2001年 | 193篇 |
2000年 | 205篇 |
1999年 | 163篇 |
1998年 | 98篇 |
1997年 | 118篇 |
1996年 | 123篇 |
1995年 | 87篇 |
1994年 | 109篇 |
1993年 | 103篇 |
1992年 | 143篇 |
1991年 | 159篇 |
1990年 | 156篇 |
1989年 | 171篇 |
1988年 | 125篇 |
1987年 | 119篇 |
1986年 | 162篇 |
1985年 | 166篇 |
1984年 | 139篇 |
1983年 | 134篇 |
1982年 | 126篇 |
1981年 | 96篇 |
1980年 | 111篇 |
1979年 | 147篇 |
1978年 | 125篇 |
1977年 | 110篇 |
1976年 | 104篇 |
1974年 | 115篇 |
1973年 | 100篇 |
1972年 | 89篇 |
1971年 | 109篇 |
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
991.
T.H. Morgan 《Journal of The Franklin Institute》1938,226(3):373-381
992.
Hypertext is a nonlinear way of presenting content consisting of nodes and links that a person can access using a variety of search and browsing strategies. In this article, we focus on the use of hypertext as an instructional tool. We compare hypertext instruction with traditional instructional formats. We offer some initial guidelines relating to guidance and control, development and implementation, multiuser management, user interface, and content representation. The paper concludes with a discussion of limitations of learner control as an instructional strategy, and the need for careful instructional design of hypertext instructional programs. 相似文献
993.
Dr. phil. Jens Flatau Werner Pitsch Dirk Bogendörfer Eike Emrich 《Sportwissenschaft》2009,39(2):110-119
In a joint project involving European association staff and sports scientists, basic structural data were collected on British, Swedish, Spanish and German athletics clubs to be used for analysis of hypotheses concerning conditions of participation in sports clubs, particularly by children and adolescents. The results showed clear differences in organizational level as well as membership and activity structures in comparisons between European countries and within Germany. The findings revealed the differential functions and significance of sports clubs in the context of the respective institutions and cultures. 相似文献
994.
Across the Western world, membership in the established organized churches is on the decline with a concomitant reduction in the need for churches and church halls. As redundant and unused churches are the focus of vandalism and decay, owners and heritage managers are looking for options to adaptively re-use such buildings. This article reviews the literature on the re-use of churches in the Netherlands, which has long history of innovatively addressing the problems. The options available range from re-use for religious purposes by other denominations or faiths, to community use (multi-purpose, sport, music etc.), and private use, which can be either commercial or residential. The attitudes of the community and the original property owners play a major part in successful adaptive re-use. Because of its long history, the Dutch experience in adaptive re-use of religious buildings has much to offer heritage managers in other countries faced with this emergent management issue. 相似文献
995.
996.
This article provides training practitioners with an overview of literature on long-term curriculum planning for training in business and industry. It also summarizes key results of a national survey of corporate business planners and trainers on the current status of curriculum planning for training in their organizations. In general, few respondents of the study indicated that their organizations have established long-term training plans (curricula) to meet the predictable orientation needs of new employees or support implementation of corporate strategic business plans. 相似文献
997.
998.
999.
1000.