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。

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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。

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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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The major difference being that using a standard lens will likely still require reading or prescription glasses (ongoing costs) whereas the upgrade may be able to eliminate eyeglasses altogether.

FORBES: Senseless Retirement