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The standard unit normal vector ( )


A、istangenttothecontrolsurface.
B、isnormaltothesurfacepointingoutwards.
C、isnormaltothesurfacepointinginwards.
D、isalongtothecontrolsurface.

发布时间:2025-11-04 13:17:39
推荐参考答案 ( 由 题搜搜 官方老师解答 )
答案:is normal to the surface pointing outwards.
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