X-unit X 射线光波单位
x ray unit x 线装置
X-ray unit X 光机 ; 射线装置
X-ray TV unit X 射线电视机
X-ray tomographic unit X 射线断层摄影机
X-ray licalization unit X 射线定位仪
X-ray therapy unit X 射线治疗机
X-ray y TV unit X 射线电视机
Unit vectors are always pointing in the direction of the positive axis x in the x direction is this one.
单位矢量,始终指向,轴的正方向,轴方向的单位矢量,and,the,unit,vector,是这个。
Digital X-ray system for Testing wheels is composed of high frequency X-ray unit, X-ray image intensifier, the special mechanical device, computer image processing system, controller and lead cabinet.
轮毂X射线检测系统由高频X射线机、X射线图像增强器、轮毂检测专用机械装置,计算机图像处理系统、控制装置和铅防护房组成。
i and j are unit vectors in the x and y directions.
和 j 分别是 x 和 y 方向上的单位矢量
Unit vector i points away from the origin in the x direction.
单位矢量 i 从原点指向 x 轴正方向
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