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【简答题】
请证明下面两个系统传递函数相同,给出阻尼比和固有振荡频率表达式。 图片1 (1).tif
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皮皮学刷刷变学霸
举一反三
【单选题】用能单位应当按照 的原则,加强节能管理,制定并实施节能计划和节能技术措 施,降低能源消耗。
A.
合理用能
B.
经济性
C.
技术上可行
D.
目标管理
【多选题】青皮红肉鱼含有较高量的组氨酸,经脱羧酶作用强的细菌作用后,产生组胺。下列哪些属于青皮红肉鱼()
A.
金枪鱼
B.
沙丁鱼
C.
秋刀鱼
D.
鲤鱼
【单选题】If he is determined to do something, he will do it ________ what other people will say.
A.
in regard to
B.
as regards
C.
regardless of
D.
regardless with
【单选题】The teacher called Tom to his office because he was caught ______ in the exam.
A.
to cheat
B.
cheating
C.
cheated
D.
cheat
【单选题】If he is determined to do something, he will do it _____ what other people will say.
A.
despite
B.
in spite of
C.
no intention of
D.
regardless of
【单选题】If he is determined to do something, he will do it _____ what other people will say.
A.
regardless off
B.
without regard
C.
without regardless
D.
regardless of
【单选题】If he is determined to do something, he will do it ______ what other people will say.
A.
turn off
B.
slip off
C.
after all
D.
regardless of
【单选题】The girls _____ a game called Bomb happily when the teacher suddenly entered the classroom. [     ]
A.
played
B.
were playing
C.
are playing
D.
had played
【判断题】"Mvs P1,wth M_out(11)=1"表示移动至P1到位时,在开启输出信号位11
A.
正确
B.
错误
【判断题】在色立体中,愈接近中心垂直轴,鲜艳度也就越高。( )
A.
正确
B.
错误
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