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下列程序的运行结果为 #include<iostream.h> class Location { protected: int X,Y; publiC: void SeX(int myx){X=myx;} void SetY(int myy){Y=myy;} void showxy( ) {cout<<"X=" <<X<<" " <<"Y"=<< Y<< endl;} }; Class Rectangle :public Location{

单选题
2021-07-17 20:19
A、仅纵筋达到屈服强度
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