Let's say I have a cylinder of radius a centered on the z-axis.
已知以z -轴为轴心半径为a的圆柱体。
That is a vector field in which the trajectories are going to be circles centered in the z-axis and our vector field is just going to be tangent to each of these circles.
这是一个向量场，其中旋转轨道是，以z轴为圆心的圆周，并且这个向量场与每个圆相切。
In the longitudinal section, it can be divided into port deformation zone, transition zone and undeformed zone along the z-axis, according to the morphology of deformation zone.
在纵截面上，根据变形区形态，可沿轴向将变形区分为端口变形区、过渡变形区和未变形区。
That's phi is the angle downwards from the z axis.
这个角度是φ，它是从z轴偏转的角度。
OK, so moment of inertia about the z axis so, what's the distance to the z axis?
关于绕z轴的转动惯量,到z轴的距离是多少？
The research on driving system of Z-axis will be introduced in this paper.
同时本文对Z轴驱动系统进行了初步的研究。
The coordinate frame called map is a world fixed frame, with its Z-axis pointing upwards.
该map坐标系是一个世界固定坐标系，其Z轴指向上方。
With these settings the two types of maps were parallel and they were also in-line with the Z-axis of the object.
使用这些参数设置，两种类型的纹理就平行了，同时纹理也和物体的Z方向一致。
But we found the product yield was poor for vertical resonating structure such as Z-axis accelerometer and switch.
但该工艺用于制造垂直动作结构如Z轴加速度计和开关时，成品率不高。
The next evaluation step is the extension to a 3D camera system (additional Z-axis) to obtain more complex information.
下一步的评估系统将扩展到3D摄影系统（增加Z轴），以得到更为复杂的信息。
An electro-chemical ultra-precision lapping machine with five freedoms of X-, Y- and Z-axis linear movement as well as rotation about X- and Z-axis is developed.
研制了能够实现X、Y、Z三轴直线运动和绕X、Z两轴转动的空间五自由度电化学超精密研磨机床。
A structure of the switch is given, which has an ideal extinction ratio and is characterized by its easy alignment and no strict confinement of the length along Z-axis.
介绍了这类开关的一种结构，它有理想的消光比，并具有校准方便，对沿Z轴长度无严格限制等特点。
The technics parameters, such as the laser power, scan velocity, powder feed rate and the Z axis increment, which influence quality and shape were analyzed in this article.
分析了主要工艺参数如：激光功率、扫描速度、送粉量以及Z轴增量对成型质量和形貌的影响。
If not, I'd simply flip the Z axis of the geometry.
如果不是这样，我只是翻转Z轴的几何形状。
The actual shape (typeface) attribute (the Z axis) is for differences of type design (the actual shape used in imaging) of each variant form.
实用形（字样）特质（Z轴）表示的是某一字的某一变体在具体字样（字型）中形态上的差异。
The motor controller and software can also drive an optional Z axis or focus motor which can be fitted to the fine focus knob of most of the newer microscopes.
电机控制器和软件也可以驱动Z轴或聚焦电机， 聚焦电机可以安装到最新显微镜的细调旋钮上。
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。
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 computer control system of this instrument adopts GT-400-SG four axes motion controller to control the motion of axis x, y, and Z.
本自动书写仪计算机控制系统采用了GT 400SG四轴运动控制器来控制X轴、Y轴以及Z轴的运动。
This paper analyzes some main factors that affect precision of axis system of X-Y pedestal, classifies these factors and compares the X-Y pedestal with the A-Z pedestal.
文中分析了影响X - Y天线座轴系精度的一些主要因素，分类作了介绍，并与方位一俯仰型天线座进行了对比。
Cross beam and Axis Z are made of surface-anodized aerometal to improve thermal stability and reduce moving mass for faster setting.
Z轴采用表面阳极化航空铝合金，温度一致性极佳；并降低了运动部件的质量，减少测量机在高速运行时的惯性。
Cross beam and Axis Z are made of surface-anodized aerometal to improve thermal stability and reduce moving mass for faster setting.
Z轴采用表面阳极化航空铝合金，温度一致性极佳；并降低了运动部件的质量，减少测量机在高速运行时的惯性。
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