判断题:奈奎斯特稳定判据是利用开环频率特性来分析闭环系统稳定性的。
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Betweenthetwobuildings__________amonument.
A. isstanding
B. standing
C. stands
D. Stand
Manyastudent___thatmistakebefore.
A. hadmade
B. hasbeenmade
C. havemad
D. hasmade
Noneofthemoney____his.
A. is
B. are
C. belongs
D. Were
Neitheryoursisternormine_______thegoodnews.Let'stellthem.
A. know
B. knows
C. knew
D. knowing