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【判断题】
系统的特征值互异是系统的状态空间表达式可线性变换为对角标准型的充分条件,而不是充要条件。A.
正确
B.
错误
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举一反三
【简答题】液压泵按照结构可分为__、__、__三类
【简答题】违背平台基础承诺,每次______,违背商家自行承诺,每次______。
【单选题】Jo is a courier delivering parcels throughout the metropolitan area. Although she considers herself law abiding, she often breaks the speed limit while making her deliveries. Which of the following st...
A.
"It's not a problem that I speed a little bit; it's not much over the limit, and everyone else speeds some."
B.
"The speed limits are just too low around here; anyone driving at a reasonable speed will break them."
C.
"This speeding is irresponsible. From now on I am observing the speed limits."
D.
"I've got to drive fast sometimes, otherwise I will not make all my deliveries and I'll lose clients."
E.
"It's wrong to break even minor laws, but I'll probably keep speeding anyway."
【简答题】变形缝分为 、 、 三种。
【简答题】( ),是摄影测量的基本单元,由其构成的( ),是立体摄影测量的基础。
【简答题】液压泵按照结构分类，可以分为齿轮泵、（）和（）三种。
【简答题】变形缝分为 、 、 三种。其中从基础底面到屋顶全部断开的是
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