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已知系统特征方程为 s 6 +2s 5 +8s 4 +12s 3 +20s 2 +16s+16=0 试求:1)在[s]右半平面的根的个数;2)该特征方程的虚根。
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【多选题】最常见的定性决策方法主要有( )
A.
经验法
B.
德尔菲法
C.
头脑风暴法
D.
集体意见法
E.
决策树法
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【单选题】3 If I were you, I’d stay out of Mark’s way today. He’s in a really bad mood.
A.
to keep away from
B.
to act in a way which is not safe
C.
to be knocked over by the wind
D.
to think non-stop about one thing
E.
of an illness or condition which could kill you
【单选题】He’s not really one of those __________ stars but he’s never quite been able to fit in with the beautiful people in Hollywood.
A.
badly-behaved
B.
threatened
C.
bring up offspring
D.
money-making
【单选题】( )是以报道文献出处或收藏信息为主要功能的工具。
A.
题录
B.
索引
C.
文摘
D.
目录
【多选题】定性决策方法主要有( ) 。
A.
头脑风暴法
B.
认知冲突法
C.
征询法
D.
提喻法
【多选题】定性决策方法主要有( )。
A.
头脑风暴法
B.
认知冲突法
C.
征询法
D.
风险决策法
【多选题】定性决策方法主要有( )。
A.
头脑风暴法
B.
认知冲突法
C.
征询法
D.
提喻法
E.
方案前提分析法
【简答题】He’s not really one of those __________ stars but he’s never quite been able to fit in with the beautiful people in Hollywood.A. badly-behaved B. threatened C. bring up offspring D. money-
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