A.机械作用
B.摩擦
C.运动状态
D.形状
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A.1
B.0.7
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D.2
A.两个主应力都不为0的应力状态
B.三个剪应力都不为0的应力状态
C.三个主应力都不为0的应力状态
D.单个主应力不为0的应力状态
A、轴力为0的截面
B、剪应力为0的截面
C、弯矩为0的截面
D、正应力为0的截面
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最新试题
Which of the following words can best describe a proper handshake?()
这个简单回归能够得到婴儿出生体重和母亲抽烟习惯之间的因果关系吗?请解释。
From the text we can see that the writer thinks the future of the new room key is().
The underlined word “streamline”in Para.3 is closest in meaning to().
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Keeping eye contact while shaking hands makes the other person feel().
分别计算甲、乙、丙三家公司股票的市场价值。
要预测出生体重125盎司,cigs应该为多少?
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