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。
For now, trust me that postTranslate() with a positive third parameter moves the camera along the z axis.
现在，您只要相信，带有第三个正数参数的postTranslate() 可使摄像机沿z轴移动。
The x axis is positive in the right direction, while the y axis is positive in the downward direction (again, this is in contrast to its traditional upward direction).
x轴在右边为正值，但是y 轴在下方为正值（这与传统的上方为正值相反）。
That measures the angle down from the positive z-axis.
这是与z正轴的夹角。
Positive values for the angle rotate the object clockwise if you look along the positive rotation axis.
角度为正值，则表示若您顺着正旋转轴方向观察，对象是按顺时针旋转的。
Positive aileron deflection produces an anti - clockwise moment about the X axis.
正的副翼偏转角产生绕X轴的负方向力矩。
In practice this means that the object is drawn in the local origin, and it is looking along the positive Z axis.
事实上这意味着物体在局部坐标空间绘制，并且物体的正面朝向z轴正方向。//译者注：z轴正方向垂直屏幕指向观察者。
Results: the length eye axis in LAMM group and HM group had positive correlation with the degree of myopia.
结果：轻中度近视组、高度近视组的眼轴长度与近视程度呈正相关性。
In the rectangular coordinate system, we express the electric field intensity and different position electric field energy of the elliptical ring with positive electric charge in the central axis.
在直角坐标系中分别表示出了均匀带电椭圆形环在中心轴线上任意位置处的电势及电场。
Compass - lets you pick any object that will be used as a north indicator. The object's positive Y-axis will be used as the north indicator for the sky system.
指南针-允许你点击任何物体作为指南针，该物体的y轴将作为物理天空系统的正北。
Compass - lets you pick any object that will be used as a north indicator. The object's positive Y-axis will be used as the north indicator for the sky system.
指南针-允许你点击任何物体作为指南针，该物体的y轴将作为物理天空系统的正北。
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