从发生学观点研究特定区域这种关系及其变化规律是区域历史地理研究的核心内容。
To study the correlation and its law of change from the point of genesis in a specific region is the core of the research of regional historical geography.
研究和认识其变化及内在的一般规律，对实施奥运计划、提高运动员的竞技水平等都具有深远的历史意义和现实意义。
To study and discovery its inner rule have far-reaching historic meaning and realistic meaning for carrying out country 's Olympic plan and improving the competitive level of sports mans.
该系统可自动采集紫外线强度指数数据，进行历史数据库的分析和查询，研究该地区紫外线强度的变化规律。
This system can automatically collect the UV index data, analyse and check the history database, research the law of UV radiation in the region.
应用推荐