切面

切面
qiēmiàn
(1) [cut noodles]∶切成的面条
(2) [section]∶剖面
(3) [plane of section]∶指一个方向(如器官的)切开, 以便显示结构
(4) [tangent plane]∶过曲面上一点的平面, 该曲面上过该点的所有曲线的切线都在该平面上

Advanced Chinese dictionary. 2013.

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