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   154篇
  免费   0篇
教育   117篇
科学研究   1篇
体育   29篇
信息传播   7篇
  2020年   2篇
  2019年   5篇
  2018年   5篇
  2017年   7篇
  2016年   5篇
  2015年   1篇
  2014年   5篇
  2013年   22篇
  2012年   5篇
  2010年   1篇
  2009年   4篇
  2008年   8篇
  2007年   3篇
  2006年   8篇
  2005年   5篇
  2004年   3篇
  2003年   3篇
  2002年   7篇
  2001年   3篇
  2000年   3篇
  1999年   3篇
  1998年   3篇
  1997年   2篇
  1996年   5篇
  1995年   7篇
  1994年   3篇
  1993年   3篇
  1992年   3篇
  1991年   1篇
  1990年   1篇
  1989年   1篇
  1988年   3篇
  1987年   3篇
  1986年   1篇
  1985年   2篇
  1984年   1篇
  1983年   1篇
  1982年   1篇
  1981年   1篇
  1979年   1篇
  1978年   3篇
排序方式: 共有154条查询结果,搜索用时 15 毫秒
1.
INTRODUCTION There is now a substantial body of research that has investigated the role of form-focused instruction in assisting learners to learn the grammar of a second language (L2). Recent comprehensive surveys of this research have been provided by N. Ellis (1995), R. Ellis (1990; 1994; 1997), Larsen-Freeman and Long (1991), Long (1988), Spada (1997),  相似文献   
2.
3.
4.
5.
This paper reviews the FIFA World Cups 1998–2010 with data available from the FIFA website and assesses the performance of each region in relation to the number of World Cup qualifications spots that the region is awarded. We raise the issue of whether FIFA should be more concerned with the participation of more members from its federations in the World Cup than the financial gain from doing so. Our non-econometric analysis illustrates that the current allocation may be resulting in the awarding of qualification spots to teams that if not unfair, certainly warrants discussion. We seek to demonstrate that the current system of qualification is based neither on ensuring the qualification of the best 32 teams in the world, nor does it fairly allocate qualification spots on the number of teams per federation or any other metric. We conclude with a plea for more transparent allocation processes.  相似文献   
6.
There is a lack of systematic research on the training of clinicians toward providing counselling services and support to individuals with Fetal Alcohol Spectrum Disorder (FASD). The aim of this qualitative project was twofold: (1) to develop and pilot a clinical consultation process that would address clinicians’ reported need for greater communication and information sharing in serving clients affected by FASD; and (2) to build a model of FASD-informed clinical counselling practice by examining this consultation process and by capturing the experiences of clinicians who were involved. Findings from focus groups and meeting minutes are reported with respect to the model’s focus on reflection, communication, and action.  相似文献   
7.
这款采用创新的CCD位移防抖技术的单反数字相机能否在入门级市场掀起波澜?  相似文献   
8.
Abstract

Measurements are presented of the speed at which six different rods could be swung by four male students. Three of the rods had the same mass but their swing-weight (i.e. moment of inertia) differed by large factors. The other three rods had the same swing-weight but different masses. Our primary objective was to quantify the effects of mass and swing-weight on swing speed. The result has a direct bearing on whether baseball, tennis, cricket and golf participants should choose a heavy or light implement to impart maximum speed to a ball. When swinging with maximum effort, swing speed (V) was found to decrease as swing-weight (I o) increased, according to the relation V?=?C/I o n , where C is a different constant for each participant and n?=?0.27 when I o >?0.03 kg?·?m2. Remarkably similar results were obtained previously with softball bats (where n?=?0.25) and golf clubs (where n?=?0.26). Swing speed remained approximately constant as swing mass increased (when keeping swing-weight fixed). The implications for racket power are discussed.  相似文献   
9.
10.
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