Study on Field Rotation of 1.2m Alt-Az Telescope and Elimination of Image-Rotation;
1.2米地平式望远镜视场旋转研究与消旋
Theoretical Calculation of the Field-of-view Rotation Angles for the 1.2m Altazimuth Telescope in the Yunnan Observatory
1.2m地平式望远镜视场旋转角的理论计算
He raked the horizon with a telescope.
他用望远镜扫视地平线。
A fire lookout scanned the hills with binoculars.
火警监视员用双筒望远镜嘹望山区。
The bird-watcher raked the trees with his binoculars.
观察野鸟的人用双筒望远镜扫视树木.
He swept the sky with his binoculars.
他用双筒望远镜扫视天空。
The astronomer scanned the heavens through a telescope.
天文学家用望远镜扫视天宇。
The bird - watcher raked the trees with his binoculars.
观察野鸟的人用双筒望远镜扫视树木。
I watched the racing through my binoculars.
我通过双筒望远镜观看这场赛跑。
periscope binoculars
潜望镜式双筒望远镜
Do not view the sun with this binocular or even with naked eye .
请勿使用此双目镜/双筒望远镜或裸眼直视太阳。
You can focus your telescope on that distant television tower.
你可以对着那座远方的电视塔调节望远镜的镜头。
long focus lens
长焦距（望远）镜头
Design of segment support module of collecting light mirror in Fourier telescope for field experiment
傅里叶望远镜外场实验聚光镜子镜支撑模块的设计
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.