恒定流具有下述哪种性质()?

A . ['当地加速度https://assets.asklib.com/psource/2015102714461030769.jpg u/https://assets.asklib.com/psource/2015102714461030769.jpg t=0B . 迁移加速度https://assets.asklib.com/psource/2015102714461030769.jpg u/https://assets.asklib.com/psource/2015102714461030769.jpg s=0C . 当地加速度https://assets.asklib.com/psource/2015102714461030769.jpg u/https://assets.asklib.com/psource/2015102714461030769.jpg t≠0D . 迁移加速度https://assets.asklib.com/psource/2015102714461030769.jpg u/https://assets.asklib.com/psource/2015102714461030769.jpg s≠0

时间:2022-10-19 15:38:13 所属题库:流体力学题库

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