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流线一般不能相交,且只能是一条光滑的折线。( )
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流线一般不能相交,且只能是一条光滑的折线。( )
A、true
B、false
时间:2021-09-01 22:36
关键词:
青书学堂
长春工程学院
工程流体力学(专升本)
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B
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流线一般不能相交,且只能是一条光滑的折线。( )
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流线是光滑的曲线,不能是折线,流线之间可以相交。
流线不能相交(驻点处除外),也不能是折线,因为(),流线只能是一条光滑的()。
流线是一条光滑的曲线,没有折点,也不能相交。
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