已定义如下函数模板:template T max(T x,T y) {……}则编译语句:cout<
A. short max(short x,short y) {……}
B. int max(int x,int y) {……}
C. float max(float x,float y) {……}
D. double max(double x,double y) {……}
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已定义如下的类模板:template class ABC{……}则下列对象定义语句中,错误的是()
ABC obj
B. ABC obj
C. ABC obj
D. ABC obj
全桥逆变电路中,保持两对桥臂交替导通180°,因此输出电压调节只能靠调节输入电压完成。
A. 对
B. 错
全桥逆变电路中反并联二极管的作用是提供能量反馈通道和续流。
A. 对
B. 错
S3-U1-Listening FocusDirections:In this section, you are going to listen to five short expressions frequently used in oral English. Match each of them with the choice on the right that has the same meaning.[音频]