ground data receiving station

Beijing satellite ground station satellite remote sensing data information management system is compileed that is being living our country Seasats in 2002(HY-1A)Launch queen,Beijing satellite ground station has construct since the stop all satellites of the receiving information management systems.

海洋科技工作者及管理人员通过该系统可获得任意时间段北京地面接收站接收卫星下行数据的接收状况、任何时间段卫星接收轨数的统计等信息,提供了与现行各种接收状况分析对比的第一手资料。

On the Methods to Keep Satellite/Ground Clocks Synchronous Accurately;

在轨卫星与地面时钟精确同步方法研究

Studying of quality problem in cement ground;

对当前水泥地面质量问题的探讨

The Formula Derivation from the Interaction Between the Free Falling Object and the Ground Force;

自由落体与地面之间作用力公式的推导

It gives an account of the environmental effect discrepancies done by surface and underground oil storage tanks,the relevant stipulations of Environmental Protection Agency(EPA),oil pollution law,National Pollutant Discharge Elimination System(NPDES)and so on.

译文叙述了地面和地下储油罐对环境影响的差异、美国环保局（EPA）对此的有关规定、石油污染法、全国污染物排除控制系统（NPDES）等。

Through discussing the quality status,the error categories of Guangxi historical surface meteorological data and its cause,it is advantageous to users in processing data objectively.

通过对广西历史地面气象资料的质量评估,分析地面历史资料整体质量状况、疑误数据类别和原因,让用户在使用数据时有一个全局和客观定量的把握。