The development of remolded expansive soils was measured by using long distance microscope system under the condition of natural air-dried.
利用远距光学显微镜对重塑膨胀土中在自然风干条件下的裂隙发展变化进行了动态的、定量的观测,对不同裂隙发育程度的膨胀土进行了不排水、不排气的非饱和三轴多级剪切试验。
Low-cost LD laser rangefinder telescope;
低值LD激光测距望远镜
The Research on Improving the Pointing Precision of SLR Telescope in Changchun Observatory;
长春人卫站提高卫星激光测距望远镜指向精度的研究
Design and Realization of a Synchronized Rotating Shutter for a Laser Range Finder on the 1.2m Telescope of YNAO
1.2m望远镜激光测距系统同步旋转快门的设计与实现
Research on Measurement System of Laser Total Stations for Large Radio Telescope;
大射电望远镜激光全站仪测量系统的研究
long focus lens
长焦距(望远)镜头
A powerful laser and astronomical telescope are used for this measurement.
在测量时使用了一台功率强大的激光器和一台天文望远镜。
Design and Implement of Control System for Pulsing Long-distance Laser Rangefinder;
远程激光测距操控系统的设计与研究
Design and Implement of Software Package for Long Distance Laser Ranging Control;
远程激光测距控制系统的设计与研究
Photometric Accuracy of the Xinglong 80cm Tsinghua-NOAC Telescope(TNT)
兴隆80cm TNT望远镜测光性能的研究
curacy of ranging for laser range finder
激光测距机测距准确度
precision of ranging for laser range finder
激光测距机测距精度
Optimum Design to a Single Lens Transmitted Collimating Module of Laser Ranging Finders
激光测距仪单透镜发射准直模块的优化设计
hand-held passive binoculars
手持微光双目望远镜
Embedded and Web-based technology,remote monitoring system,laser range finder
基于嵌入式与Web技术的激光测距远程监控系统
elbow refractor
折轴反光望远镜;折轴折射望远镜;曲折折光计
A telescope equipped to measure small angular distances between celestial bodies.
量日仪一种望远镜,用以测量天体之间微小的角距离
laser intensity direction and ranging
激光强度测向与测距
The field glasses adjust with a screw.
双筒望远镜是用一个旋钮调节焦距的。
What is the range of this telescope?
这架望远镜的有效距离多大?
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