集成运算放大器的开环差模电压放大倍数高,说明()。
A、电压放大能力强
B、电流放大能力强
C、共模抑制能力强
D、运算精度高
参考答案:D
During the class, Tom slipped out of the classroom ____the back door so as not to be found by the
teacher.[ ]
A. across
B. in
C. by
D. beside
要添加业务种类应该在对公签约购物车中的代收付协议管理交易中选择()功能。
A.新增
B.修改
C.删除
D.查询