Based on the connotation of sport education, this paper brings forth the Gymnastics primary coachs sport education characteristics and intelligence structure of the new period.
本文依据“竞技教育”的基本内涵，提出新时期基层体操教练员的竞技教育特点、智能结构特点。
In this paper, a new method, by using the self-sufficiency degree of crops to determine the suitable irrigation period, has been introduced.
本文介绍以作物自给度来确定适宜灌水时期的一种新方法。
Finally, the paper describes the features of sericulture and mulberry books and shows some new ones of those books during that period.
最后对这一时期的蚕桑类农书进行了特征描述，展示了这一时期的农书新特点。
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