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之前看到了一个动量方程，形式如下所示，请各位大神帮忙看看有没有错误,万分感谢。
压力梯度项的g是啥？矢量应该不用斜体吧？
矢量用黑体才对，我再查一下资料，这个公式确实是错的
3/3
2020年2月29日 12:42
