【摘要】 根据对河南省土地流转存在的模式、问题和流转程度的调查 ,分析了土地流转对农村经济结构调整和城市化进程的影响 ,并提出了一些见解和对策 .更多还原

【Abstract】 The physical activity is one of special phenomena in society; Sports Behaviorist is one of special form of human behavior. The emergence, development and different representations of physical activity are caused by the alteration of physiological mechanism, environment mechanism and psychological mechanism. The emergence and alteration of physical activity reflects the relation?influence and restriction among all the factors. The system of physical activity consists of condition system,motivation system,action system and effect system.更多还原