When the telescope optical axis isnt perpendicular to the platform rotary axis strictly,the image that is caused by reflecting via double-face flat speculum of the bright cross will have some changes.
深入分析分光计的望远镜光轴与载物台旋转轴不严格垂直时出现的望远镜筒中的亮十字物经载物台上的双平面镜所反射的十字物的像的变化;简述准确快速调节望远镜光轴与载物台旋转轴严格垂直的方法。
Vibration and shock--Mechanical transmissibility of the human body in the z direction
GB/T16441-1996振动与冲击人体Z轴向的机械传递率
The choice of orientation of the(x, y, z)coordinate system is, of course, quite arbitrary.
当然，坐标系（x，y，z）轴向的选择是任意的。
Create a Rotation Key on Z
创建Z轴的旋转关键帧
Create a Position Key on Z
创建Z轴位置关键帧
Delete a Rotation Key on Z
在Z轴删除旋转关键帧
Delete a Position Key on Z
在Z轴删除位置关键帧
Delete a Scale Key on Z
在Z轴删除放缩关键帧
Use Any Object's Z Axis
使用任意物体的Z轴
It appears as a small gnomon with lines extending in each major direction (along the X, Y, and Zaxis).
它看起来象是一个小的指时针和在每个主要的轴向上（x，y，Z轴）的线的延伸。
Development of Z Axis and Its Driving System for a Nano-CMM;
纳米三坐标测量机Z轴的研制及Z轴驱动系统的研究
Create Explicit Key Rotation Z
创建Z轴的旋转直接关键帧
Create Explicit Key Position Z
创建Z轴的位置直接关键帧
Measurement of z-direction spatial resolution for a 16-slice spiral CT system
16层螺旋CT的z轴空间分辨力测试
The vector Z is known as the state vector of the system.
向量Z称为系统的状态向量。
Analysis of Residual Stresses on Micromachined Z-Axis Vibrating Rate Gyroscope and Structural Optimization Design;
z轴硅微陀螺仪残余应力分析及结构优化研究
Management of breakdown in z-axis initialization of SGS-1 gamma ray therapeutic system
SGS-1型伽玛治疗系统z轴初始化故障的维修
"Bonus Z" in the Selective Laser Sintering of Polymeric Materials
高分子材料选择性激光烧结中的Z轴“盈余”
To go up, down, or across a slope diagonally or in a zigzag manner, as in skiing.
Z形移动斜向或按Z字形攀登、爬下或横穿一个山坡，如在滑雪中