This is a drainage area.

这里是排水区。

It can also provide products of drainage area hyetal statistics and forecast, and give the decision-making service of flood prevention for all government departments and flood prevention department.

主要介绍湖北省防汛决策气象服务系统的系统结构、主要功能设、软件实现方法、以及几年的试验运行情况。