After the characteristics of several different laser beam expanding telescope systems are analyzed,the Cassegrain system is selected to meet the design requirement of an intensive pulsed laser transmitter system.
通过分析不同激光扩束望远镜系统的特性,选用卡塞格林系统来实现强脉冲激光发射系统的设计要求,设计结果不仅满足准直性要求,并且在目标距离处的光斑大小具有一定的可调节性。
Pointing Error Analysis of a Radio Telescope Using Quaternion
基于四元数的射电望远镜指向误差分析方法
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
Franz adjusted his telescope, and directed it towards the yacht.
弗兰兹调正了一下他的望远镜，向所指的那个方向望去。
She swivelled the telescope .
她用望远镜向四周看.
Control, Optimization and Experiment of the Feed Tracking System for Large Radio Telescope;
大型射电望远镜馈源指向系统的控制、优化与实验
Can you train your field glasses on the distant church tower?
你能把望远镜对向远方的教堂吗？
periscope binoculars
潜望镜式双筒望远镜
Without communicating his thoughts to his companion, he sat down, drew out his opera-glass, and looked another way.
他不露声色地坐下，拿出他的望远镜，向别处观望。
long focus lens
长焦距（望远）镜头
Model Analysis and Experimental Research on the Feed Tracking System of Large Radio Telescope;
大射电望远镜馈源支撑与指向跟踪系统的力学模型分析及实验研究
ultra-low-expansion mirror telescope
超低膨胀率镜望远镜
a binocular telescope microscope ]
双筒目]望远镜显微镜]
A binocular or field glass.
双目镜，双筒望远镜
prismatic binoculars
棱镜式双目望远镜.
The diameter of the objective of a telescope.
孔径望远镜物镜的直径
A telescopic device is used in conjunction with the prism.
棱镜与望远镜配合使用。
Key Specifications and Their Test of Digital Binoculars;
数码望远镜关键性能指标检验方法及技术研究
a small telescope attached to a large telescope to use in setting the line of the larger one.
装在大望远镜上的小望远镜。