With 680HVM Hydrocarbon gas analyzer produced by American Thermo Electric Com. , the optical working conditions and the leakage calculation mode of the analyzer are determined.

通过运用由美国热电子公司生产的680HVM型碳氢化合气体分析仪，确定了该仪器的最佳使用条件及泄漏量计算模式。

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WHO, its Member States and partners are working to find ways to provide local, affordable corrective optical services to people in need, especially in poor areas with limited eye care services.

世卫组织、各会员国和合作伙伴正在努力寻找解决办法，为有所需要的人提供就地、收费适宜的眼科矫正服务，尤其在那些贫困、缺乏眼科治疗服务的地区。

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This paper presents the working principle, optical filtering and handling of testing results of the instrument.

介绍了仪表的工作原理、光学滤波及测试结果的处理。

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Besides, optical fibre is slowly working its way up his hillside.

ECONOMIST: The faster the internet becomes, the slower it loads pages

So why are people working on creating such a large capacity optical disc technology (among other potential uses)?

FORBES: What is the Future of Optical Disc Technology and who will Use It?

Several of the individual components needed to build an optical computer have been demonstrated and even put together into a working machine.

BBC: Fibre optics