autoreduction alidade
曲线归算望远镜照准仪
A telescope equipped to photograph the sun.
太阳（全色）照相仪装备来拍摄太阳的望远镜
A topographic surveying and mapping instrument used for determining directions, consisting of a telescope and attached parts.
照准仪用来确定方向的地形测量和绘图工具，包括望远镜和其它附件
Such a device combined with a telescope and used in surveying.
测地水准仪装有望远镜的这种装置，用于测量
theodolite with central telescope
中间望远镜的经纬仪
theodolite with excentric telescope
侧方望远镜的经纬仪
cine-sextant tracking telescope
电影六分仪跟踪望远镜
Binoculars, telescope, microscope, photographic camera and equipment.
双筒望远镜，望远镜，显微镜，照相机及附属品。
point a telescope at/towards the moon
用望远镜对准月亮.
A usually adjustable opening in an optical instrument, such as a camera or a telescope, that limits the amount of light passing through a lens or onto a mirror.
光圈光学仪器上的一个可调开口，如照相机或望远镜，它控制穿过镜头的或到镜面的光的数量
elbow refractor
折轴反光望远镜;折轴折射望远镜;曲折折光计
Telescopes and microscopes are visual instruments.
望远镜和显微镜是光学仪器。
radio binocle astro-telescope
无线电双目天文望远镜
He raked the horizon with a telescope.
他用望远镜扫视地平线。
a reflecting telescope that has a paraboloidal primary mirror and a hyperboloidal secondary mirror; light is brought to a focus through an aperture in the center of the primary mirror.
具有抛物面主镜和双曲面次镜的一种折射式望远镜；光线被集中到主镜中心的孔径。
a reflecting telescope so constructed that the light is led to a plate holder or spectrograph.
构造成光线被引入盘状容器或光谱摄制仪的折射式望远镜。
Nowadays the light collected by the lens or mirror of a telescope is directed to a photographic plate rather than to the astronomer's eye.
被望远镜的透镜或反射镜所收集的光线，如今直接射到照相底板上，而不是天文学家的眼睛里。
All three of them use mirror, not lenses at the front.
这三台望远镜前部用的都是曲面镜而不是透镜。