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【多选题】
直流测速发电机在( )时,由于电枢电流的去磁作用,使输出电压下降,从而破坏了输出特性U=f( )的线性关系。A.
RL较小
B.
RL较大
C.
电压过低
D.
转速过低
E.
转速过高
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举一反三
【单选题】Traveling can be fun and easy. A vacation trip to another country is especially enjoyable when the traveling conditions are good. Good traveling conditions【11】a comfortable mode of transportation，know...
A.
include
B.
conclude
C.
hold
D.
contain
【简答题】We can not live a modern life without traveling．The fastest way of traveling is by air．With a plane people can travel in one day to places which it took a month or more to get to a hundred years ago． ...
【简答题】阅读理解。 We can not live a modern life without traveling. The fastest way of traveling is by air. With a plane people can travel in one day to places which it took a month or more to get to a hundred yea...
【简答题】()是马克思主义关于社会主义核心价值观论述的基本原则
【简答题】阅读理解。 We can not live a modern life without traveling. The fastest way of traveling is by air. With a plane one can travel in one day to places which it took a month or more to get to a hundred years ...
【单选题】Traveling can be fun and easy. A vacation trip to another country is especially enjoyable when the traveling conditions are good. Good traveling conditions (11) a comfortable mode of transportation，kn...
A.
include
B.
conclude
C.
hold
D.
contain
【单选题】Considering that traveling can be dangerous at times, the woman ______.
A.
travels only to safe places
B.
avoids traveling alone as much as possible
C.
very often travels by day
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