Lena unit, lens, optical device, image reading unit, scanner and image forming device.
透镜单元，镜筒，光学装置，图像读取单元，扫描仪和图像形成设备。
In other words, view the film through the lens of the materials provided in class and in reading assignments.
换句话来说，透过课堂和阅读作业所提供的信息，来评鉴电影。
An auto measuring system of aerial camera lens is presented, which substitutes linear array CCD sensor for reading microscope to measure the focus of aerial camera lens.
提出了一种以线阵CCD固态传感器取代读数显微镜的航空相机镜头焦距测量系统。
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