题目内容

计算自由度W>0,则体系的几何性质是

A. 无多余约束的几何不变体系
B. 缺少约束的几何可变体系
C. 有多余约束的几何不变体系
D. 常变体系

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更多问题

计算自由度为零的体系一定是几何不变的。

A. 对
B. 错

建筑结构的自由度等于零。

A. 对
B. 错

[音频]

A host of City Centre Talk.
B. An employee at the City Centre.
C. An ordinary person who did something great.
D. An amazing nurse who saved a patient's life.

[音频]

A. Because the girl was sleeping on the street.
Because the girl was standing on the street.
C. Because the girl was crying loudly on the street.
D. Because the girl was walking alone on the street.

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