1.
Turn the lens in the direction shown by the arrow until it clicks into place
按箭头方向旋转镜头直到听见咔嗒声。
2.
Green and Pratt employed a rotating-mirror camera with an explosively driven wedge.
Green和Pratt使用旋转镜头的摄影机，其具有一种爆发性的楔形物。
3.
Polarization Compensation Characteristics of the Single Photons Transmission with Faraday Rotator Mirror
法拉第旋转镜用于补偿单光子偏振漂移的实验研究
4.
swing a telescope through 180
把望远镜旋转180度
5.
A rotating device holding various lenses, as for a microscope, allowing easy switching from one lens to another.
透镜旋转盘一种装有各种透镜的可旋转装置，如显微镜上的，可以使转换透镜变得很容易
6.
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
7.
lens turret
(摄影机或电视机上的)透镜旋转台
8.
Inquiry about the design of rotating mirror house of the streak camera
转镜式高速摄影机中旋转反射镜腔体的设计探讨
9.
To revolve or cause to revolve.
旋转旋转或引起旋转
10.
Suddenly she whirled from the window and stood before the glass.
突然，她从窗口旋风般地转过身来，站在壁镜前面。
11.
The method of probe vibration for measuring the axial field distribution of rotationally symmetric magnetic lens
探针振动法测定旋转对称磁透镜的场分布
12.
THE LOCATION FIXING OF THE BASIC POINT AND BASIC SURFACE OF THE ROTATIONAL CONICOID LENS;
旋转二次曲面透镜基点和基面的位置确定
13.
The Design and Test of Ellipsoidal Glass Capillaries as Condensers for X Ray Microscope
X射线成像旋转椭球聚焦镜的设计与检测
14.
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
15.
A mounting for astronomical telescopes that permits both horizontal and vertical rotation.
经纬仪天文望远镜的底座，可以使望远镜水平和垂直旋转
16.
A research on the characteristic of the refraction-reflection system composed of rotational conicoid thin lens and flat mirrors
旋转二次曲面薄透镜与平面镜组成的折反光学系统的性质研究
17.
To revolve(the telescope of a surveying transit) about its horizontal transverse axis in order to reverse its direction.
旋转使（中星仪的望远镜）围绕其水平模轴旋转，并转向一个相反的方向
18.
A person can change the strength of the lenses by turning a small device attached to the glasses.
戴眼镜的人可以通过旋转固定在眼镜上的小装置来改变镜片的厚度。