long-wave infrared afocal zoom telescope
长波红外远焦可调式望远镜
long focus lens
长焦距（望远）镜头
Space Infrared Telescope Facility
空间红外望远镜设施
airborne infrared astronomy telescope
航空红外天文望远镜
The field glasses adjust with a screw.
双筒望远镜是用一个旋钮调节焦距的。
He took out the binoculars and adjusted the focus.
他取出双筒望远镜并调整了焦距。
UPDATE OF THE 1.56m TELESCOPE ELECTRICITY CONTROL SYSTEM FOR FILTER ORIENTATION AND SECONDARY MIRROR FOCUSING
1.56m望远镜滤光片定位及副镜调焦的电控改造
The telescope got out of focus.
望远镜聚焦不稳了。
periscope binoculars
潜望镜式双筒望远镜
tunable far-infrared source-detector
可调远红外源探测器
RESEARCH ON FOCUSING RUNNING ERROR OF TELESCOPE OF GEODETIC INSTRUMENT
大地测量仪器望远镜调焦运行误差研究
a satellite equipped with a telescope to observe infra-red radiation.
装载着可以观察红外辐射的天文望远镜的人造卫星。
prismatic binoculars
棱镜式双目望远镜.
Far-infrared spectroscopy with high resolution will soon be possible from both aircraft and balloon-borne telescopes.
用飞机和气球运载望远镜进行高分辨率远红外波谱分析不久即将实现。
This is necessary because the infrared rays have longer wave lengths than the visible light rays you see and focus with, and the camera lens focuses them slightly further back inside the camera.
因红外线的波长大于您看到和对焦的可见光,故相机镜头对红外线光对焦时,应在相机内稍后处。
The Simulation for the Control System of Yun Nan Solar Telescope;
云台红外太阳望远镜驱动控制系统仿真
Study on the Auto Guide Unit System of One-meter Infrared Solar Telescope in Yunnan Observatory
一米红外太阳望远镜光电导行系统的研究
The Slit Scanning Control System of the 1 Meter Solar Tower
一米红外太阳望远镜狭缝扫描控制系统