在MAIN函数中输入农药用量 在men_te文件与men_te1文件中随机产生害虫分布，MAIN函数调用两函数文件生成农药用量与产量或者利润的关系-Enter the amount of pesticides in the MAIN function randomly generated file men_te files and men_te1 of pest distribution relationship between the MAIN function call two functi