三相交流电路中,当A相相序确定后,滞后A相120°的为()。
参考答案:B相
The stranger I rudely quarreled with ____ to be my new boss and it is not hard to imagine what will happen
to me next. [ ]
A. turned out
B. figured out
C. turned to
D. turned over
适合原型化开发的准则很多,下列( )不是有效的准则。
A.自行设计报表生成 B.使用熟悉的功能集C.从一个小系统结构集导出 D.从小的输入编辑模型集合导出