normal direction

基本解释

dir: indicates the normal direction of text in the language.
指明语言中的文本的正常方向。
Moreover, the cross-product also gives us the normal direction.
再者，叉积同时,给出了法向量方向。
When he was writing something intended for other people, he wrote in the normal direction.
如果他写的东西是给别人看的，他会按正常方向书写。

Based on the unalterable proviso that drug use among all echelons of society is essentially an unstoppable and ongoing human behavior which has been with us since the dawn of time, any serious reading on the subject of past attempts at any form of drug prohibition would point most normal thinking people in the direction of sensible regulation.
FORBES: Amy Winehouse and the War on Drugs
This direction was, properly, ignored by the U.S. military as it came outside of the normal chain of command and from someone who — by virtue of being only a consultant — had no authority to issue such guidance.
CENTERFORSECURITYPOLICY: Center for Security Policy The “Halperin Syndrome”: Clinton Appointees’ Antipathy To CIA, Military Sets Stage For Debacles In Haiti, Beyond

法矢方向
The other kind of method is Curvature smoothing algorithm which is proposed by Desbrun,etc. It moves every vertex in the normal direction with speed equal to a discrete approximation of the mean curvature at the vertex.
另一种方法是Desbrun等提出的Curvature平滑算法,将网格顶点沿其法矢方向以平均曲率的大小移动来调整网格顶点,取得了较好的效果。
能源科学技术
法向距离