控制的理论基础是()
A.系统论
B.信息论
C.制度论
D.控制论
E.综合论
参考答案:A, B, D
--- Did the book give the ___________ you needed?
--- Yes. But ____________ it, I had to read the whole book.
A.information; find
B.information; to find
C.message; found
D.message; finding
在动力线路上,自动开关长延时过流脱扣器因具有反延时限保护特性,故其整定值应为电动机额定电流的100%。