1.
Research & Realization on Vital Techniques of Optical Self-collimation Angle Sensor;
光学自准直角传感器系统的关键技术研究与实现
2.
on Deviation Angle of Retlected Beam in Quasi-tetrahedroid Corner Cube Prism
准四面直角体棱镜出射线偏角的研究
3.
at right angles to the plane of the horizon or a base line.
与水平面或者基准面成直角。
4.
The Optical Characteristics of Right Angle Prisms as Auto-collimating Mirror
直角棱镜用作自准直反光镜的光学特性
5.
Two Dimensional Embed Photoelectric Autocollimator Based on CMOS Imager;
基于CMDS图像传感器的嵌入式二维准直测角系统
6.
Research on Two-dimensional Small Angle Detection Based on Photoelectric Auto-collimation
基于光电自准直的二维小角度测量技术研究
7.
The application of finite automation principle in right-angle benchmark margin locating
状态机原理在工件直角基准边定位中的应用
8.
We discuss the effect of loss of lateral misalignment and angular misalignment, and analyze the excess coapling loss using a prism in vertical collimating system.
并讨论了使用直角棱镜作为转向元件的垂直准直系统的附加耦合损耗.
9.
The angular distance along the horizon from true east or west to the intersection of the vertical circle of a celestial body with the horizon.
天体出没方位角沿地平线从准确的东或西方向到一个天体与地平线竖直圈交叉角的角距离
10.
The precision of measurement depends on inherent angle value, the sensitivity of levelling instrument, the diameter and the diseance between the electrodes.
观测精度与水准器本身的角值、敏度及电极直径和间距有关。
11.
"Major competitions include a series of events based on speed on a triangular course, altitude, accuracy in returning, and straightaway distance. "
竞赛主要包括基于三角形路线的速度，海拔，返回准确性和直线距离。
12.
Application of Griting Technigue and Autocollimation Drinciple to Automatic System of Angle Measurement
光栅技术与自准直原理在自动测角系统中的应用
13.
Measurement of Monochromator' s Angle Repeatability by Phase Plate Diffraction Collimation Method
单色仪转角重复精度的相位板衍射准直方法测量
14.
the side of a right triangle opposite the right angle.
直角三角形的相对于直角的边。
15.
an angle that is not a right angle or a multiple of a right angle.
一个不是直角也不是直角的倍数的角。
16.
Involving a perpendicular or rightangle relationship.
指垂直或直角关系。
17.
An angle of 90°is called a right angle.
九十度角称为直角。
18.
flat square
平面直角,[港]平面方角