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【单选题】
热继电器在电动机控制电路中不能作(  )
A.
短路保护
B.
过载保护
C.
缺相保护
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参考答案:
举一反三
【单选题】What sort of authority is exercised by the following: The financial controller over the production manager?
A.
line authority
B.
staff authority
C.
functional authority
D.
sevice authority
【单选题】What sort of authority is exercised by the following: The finance director over the financial controller?
A.
Line Authority
B.
Staff Authority
C.
Functional authority
D.
Service authority
【简答题】若随机变量 ,且 ,则 __________.
【单选题】What authority sent this mayday relay?
A.
By OCEAN KING
B.
By port authority
C.
By VTS
D.
By rescue centre
【简答题】若随机变量 ,且 ,则 ____.
【单选题】What sort of authority is exercised by the following: The production manager over the production workforce?
A.
line authority
B.
staff authority
C.
functional authority
D.
service authority
【简答题】若随机变量 的分布列如下表,且 ,则 .
【单选题】若随机变量 ,且 ,则 ( )。
A.
0.2
B.
0.3
C.
0.8
D.
0.7
【单选题】What authority is based on special expertise and usually involves counseling and advising?
A.
line authority
B.
matrix authority
C.
delegated authority
D.
staff authority
E.
divisional authority
【单选题】Which type of agent authority is derived from what is usual or customary in the circumstances?
A.
Express authority
B.
Ostensible authority
C.
Implied authority
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