这是topmodel模型的源程序代码，模型能够很好的模拟流域的水文过程，方便大家使用。- This is the source code, topmodel model model can well simulate watershed hydrological processes, convenient use.

vc模拟实现循环冗余校检编码,本程序为模拟crc-32的校检,(Vc simulation realization of cyclic redundancy check code, the program to simulate CRC check - 32,)