... lens aperture 透镜孔径 ; 透镜有效孔径 ; 镜头光圈 aperture mirror 孔镜 propeller aperture 螺桨拱 ; 螺旋桨框穴 ; 推进器框穴 ; 推进器框穴推进器框穴 ...
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large aperture mirror support 大口径反射镜支承
mirror aperture 反射镜孔径
aperture of a mirror 反射镜的口径 ; 镜口经
large aperture optical mirror 大型光学镜面
With the development of the space optical remote sensor resolution and the primary mirror diameter, the lightweight design is becoming the key technology of the large aperture mirror.
空间光学遥感器分辨率要求的不断提高使其主镜口径也在不断增大，从而对主镜进行轻量化设计就成为空间大口径反射镜工程的关键技术。
It works by separating the mirror flip and aperture opening into two steps.
它将镜面翻转和光圈打开分为两个步骤。
When you press the shutter release on the camera, a complex sequence of events occurs, including setting the aperture in the lens, flipping up the mirror of an SLR and a lot more.
实际上，当你按下快门时，一套复杂的程序开启，包括镜头内光圈的设置、一块单镜头反射镜的升起和其他更多的步骤。
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