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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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