Accessories: a remote control, a power cord, a user manual, a lens paper, a product certification, a signal line, a back-up insurance control.

配件：遥控器一个、电源线一条、用户手册一本、镜头纸一本、产品合格证一张、信号线一条、备用保险管一只。

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It has also offered several methods for cleaning the fiber ends by using dustless cloth, lens wiping paper and dustless paper.

介绍了如何用无尘布、擦镜纸和无尘纸等来清洁维护光纤端面的方法。

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Moreover, the factors that influence the MTF of lens are stated in this paper.

同时，对影响透镜调制传递函数的因素进行了说明。

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Such tools like paper.li and Social Lens deal with the increasingly important issue of how we manage our attention.

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