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【单选题】
.按重力相似准则设计的水力学模型,长度比尺λL=100,模型中水深为0.1米,则原型中对应点水深为和流量比尺为( )A.
1米，λQ =1000
B.
10米，λQ =100；
C.
1米，λQ =100000
D.
10米，λ
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举一反三
【简答题】A. Because of its shape. B. Because of its skin. C. Because of its size. D. Because of its behavior.
【简答题】遗传漂变 ( genetic drift ):
【简答题】遗传漂变(genetic drift)
【简答题】A．Because of its size. B．Because of its fuel. C．Because of its complicated engine. D．Because of its burning time.
【简答题】遗传漂变(genetic drift)
【单选题】A.Because of its shape.B.Because of its skin.C.Because of its size.###SX
A.
Because of its shape.
B.
Because of its skin.
C.
Because of its size.
D.
Because of its behavior.
【单选题】20世纪50年代,邓小平提出了,( )
A.
于整顿工业企业,改善和加强企业管理,实行职工代表大会制等观点,
B.
于发展工业企业,改善和加强员工管理,实行职工代表大会制等观点,
C.
于整顿工业企业,改善和加强员工管理,实行职工民主自治等观点,
D.
于整顿工业企业,改善和加强企业管理,实行职工民主自治等观点,
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