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【简答题】
具珍珠盘特征的是?
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举一反三
【单选题】This contract will _________ as soon as it is signed by two parties.
A.
come into useful
B.
come into available
C.
come into valid
D.
come into force
【单选题】构成反馈通路的元器件是()。
A.
只能是电阻元件
B.
只能是三级管、集成运放等有源器件
C.
只能是无源器件
D.
可以是无源器件,也可以是有源器件
【单选题】This contract will come into as soon as it is signed by the two parties.
A.
being
B.
force
C.
form
D.
effect
【判断题】表面装配元器件从功能上分为无源器件(SMC)和有源器件(SMD)两大类。
A.
正确
B.
错误
【单选题】This contract will enter into force after the seller confirming that the export licence of rice is valid.
A.
在卖方证实大米出口许可证有效之后,本合同才能生效。
B.
在卖方确认大米出口许可证有效之后,本合同生效。
C.
本合同在卖方确认大米出口许可有效后发生效力。
D.
本合同只有在买方确认大米出口许可证有效后才有约束力。
【单选题】This contract will come into as soon as it is signed by the two parties.
A.
being
B.
force
C.
form
D.
affect
【简答题】This contract will come into as soon as it is signed by the two parties.A. being B. force C. form D. effect
【多选题】电子元器件可分为元件(即无源元器件)和器件(即有源元器件)两类,以下属于元件的有
A.
晶体管
B.
电阻
C.
电容
D.
开关
【简答题】简述微波元器件中有源元器件和无源元器件在微波电路中的作用。
【单选题】表面装配元器件可分为无源元件和有源元件,无源元件缩写为( )。
A.
SMD
B.
SMC
C.
SMT
D.
SMA
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