牛顿望远镜和反射折射望远镜都有一个次级反射镜(或称斜反射镜)，它们阻挡了一部分主反射镜的发射光。
Newtonian and catadioptric telescopes have secondary (or diagonal) mirrors that obstruct a small percentage of light from the primary mirror.
本文从热分析的角度，研究了由于车灯内部局部湿空气流动缓慢以及车灯配光镜和反射镜部分区域温度较低引起的结雾问题，分析了各种典型车灯中存在雾气问题的形成原因。
Because part of moister air in the lamp flows very slow and temperature of part of lamp cover and reflector is low, the fog forms on the lamp cover and reflector easily.
成像部分则直接使用商用视频耳镜；热反射镜用于使激光和成像光同轴。
Meanwhile, laser and imaging lights were coupled as coaxial by using a hot mirror and the imaging components from markets.
本实用新型的光学系统包括反射镜、透镜及投影屏等，其它部分包括载有各种发型模式影像的胶片。
The optical system of the utility model comprises a reflecting lens, an optical lens, the projection screen, etc. Other parts comprises image films with various hair style patterns.
该装置的光学系统包括透镜、反射镜及投影屏等，其它部分包括载有各种发型模式影像的胶片。
The optical system of the device comprises a lens, a reflecting lens, a projection screen, etc. Other parts of the device comprise image films with various hair style modes.
该装置的光学系统包括透镜、反射镜及投影屏等，其它部分包括载有各种发型模式影像的胶片。
The optical system of the device comprises a lens, a reflecting lens, a projection screen, etc. Other parts of the device comprise image films with various hair style modes.
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