PRODUCT INTRODUCTION: Nght vision viewers are electronic optical instruments used for viewing under low light level conditions at night .

产品简介： 微光夜视观察镜，是供夜间低照度条件下对目标进行观察用的电子光学仪器。

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Establishing this relationship is not used for viewing visualization files that are related to either a part or a document describing a part, earlier in this chapter.

建立这种关系并不是用于查看与某个零件或描述某个零件的文档相关的可视化文件。

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While having multiple choices in the way the service is used and allowing binding extensions is useful, it makes it difficult for clients to have a uniform way of viewing the service.

虽然有多种选择使用服务和允许绑定扩展是很有用的，但这给客户机以统一方式查看服务造成了困难。

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However, the GALAXY Camera's beautiful display can be used for more than just viewing.

ENGADGET: Samsung Galaxy Camera reaches Canada on December 7th with carrier-independent 3G

Receiving the signal is LG's prototype receiver built around the LG2161 demodulator chip and LG-exclusive 3D formatting circuitry that combines the side-by-side left and right images for seamless viewing without the need for 3D eyewear commonly used for 3D TVs.

ENGADGET: LG's glassesless 3D Mobile DTV eyes on (update: video)

However, others said they had used the service for legitimate means, viewing it as a cheaper alternative to PayPal.

BBC: Liberty Reserve