A negative face has an outward normal pointing in a direction opposite that of the positive x-axis.
负向的外法线指向与正x轴相反的方向。
And we looked at the component of a vector field in the direction that was normal to the curve.
我们研究的是，向量场在曲线法向量方向的情况。
That is, it creates a 3-d figure by extruding in the direction of the Face object's normal vector.
也就是说，它在Face对象的法向量方向上进行挤压，创建一个3 - D图形。
Protecting against excessive input voltages using a pair of diodes to power supply reversibly biased in normal direction.
用一对二级管以反向偏执于正常方向的形式连接至电源端，来保护过高的输入电压。
Key points: application of the direction vector of a line and the normal vector of a plane.
重点：直线的方向向量与平面的法向量的应用。
The reversal of features, particularly structural features such as faults, by reactivation. For example, a normal fault might move in a direction opposite to its initial movement.
一些特征，尤其是构造特征的逆转，如断层的再活化。如一条正断层在运动方向上可以与它最初运动的方向相反。
During normal operations, the flow direction of a counter-current softener used in boiler water treatment is opposite to that of regeneration.
用于锅炉水处理的逆流软化器，运行与再生时，液流方向相反。
The regularity of the residual_stress changing along length and normal direction of interface was derived based on a non_uniform strain model.
得到层内应力沿长度方向和界面法线方向分布的变化规律。
The transmitting probe produces a pulse which causes a P-wave in the normal direction of the plane and a S-wave in its shear direction.
发射探头对岩块法向脉冲后产生纵波，同时在其垂直方向产生横波沿该平面的方向传播。
It also shows that the chip flow direction is closer to the maximum inclination direction of a rake face with an increase in a normal rake Angle.
文中还提出，随着法向前角增大，流屑方向将愈接近前刀面最大倾斜方向。
A new method is presented in this paper to detect the Sun direction for CdS photodetector. The advantage of the method is shown in comparison with normal ways.
本文提出一种将光电电位器用于太阳角计的探测方法，并与现行的方法进行比较。
The results show that the output light mainly distributes in deviation from the normal of LGP at certain angle direction and a good uniformity of intensity can be achieved.
研究表明，所制备的体散射导光板样品的出射光主要分布在偏离出光面法线一定角度的方向上，具有良好的光学均匀度。
The results show that the output light mainly distributes in deviation from the normal of LGP at certain angle direction and a good uniformity of intensity can be achieved.
研究表明，所制备的体散射导光板样品的出射光主要分布在偏离出光面法线一定角度的方向上，具有良好的光学均匀度。
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