题目内容
(请给出正确答案)
[主观题]
You have to be patient if you want to sustain your position.A.maintain B.establish
You have to be patient if you want to sustain your position.
A.maintain
B.establish
C.acquire
D.support
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You have to be patient if you want to sustain your position.
A.maintain
B.establish
C.acquire
D.support
第2题
在自动调节系统中,恒值调节系统、程序调节系统、随动调节系统是按照什么来划分的?()
A.按自动调节系统的结果
B.按自动调节系统的特性
C.按给定值变化的规律
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