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【判断题】
Let's not to look after the sick man together.A.
正确
B.
错误
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【简答题】( )称为初次分解产物
【单选题】It's reported that CCTV 3 _____ the concert to be held this weekend. [ ]
A.
will cover live
B.
would cover live
C.
will be covered live
D.
would be cover live
【单选题】It's reported that by the end of the month the output of cement in the factory ______ about 10%.
A.
will have risen
B.
has risen
C.
will be rising
D.
has been rising
【单选题】It's reported that by the end of this month the output of cement (水泥) in the factory by about 10%.
A.
will have risen
B.
rises
C.
will be rising
D.
has been rising
【简答题】对于线性定常连续系统,非齐次状态方程的解由两部分组成,一是当初始状态为零即X(t0)=0时,由输入U(t)≠0单独作用所产生的解,称为()(填零输入或零状态)响应;二是当输入U(t)=0时,由非零初始状态X(t0)≠0单独作用产生的解,称为()(填零输入或零状态)响应,此结论说明,非齐次状态方程的解满足线性系统的()原理。
【简答题】( )称为初次分解产物
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