Method of a control that is bound to the data . you can also configure data binding at design time in visual studio 为了以编程方式执行数据绑定，应用程序会对要绑定到数据存储区的移动web窗体控件调用databind方法。
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This system calculates the movement of rain areas detected by weather radars and then projects from these movements the rainfall in the territory 该系统利用气象雷达探测所得降雨分布情况，计算降雨区的移动速度，从而推算香港境内的雨量。
