The use of optical illusions as speed breakers was first pioneered in the American city of Philadelphia in 2008, as part of a campaign against speeding motorists.

2008年，作为防止机动车超速的举措之一，美国费城最先将视觉幻象用作减速装置。

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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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It is called LaserFest. The American Physical Society, the Optical Society ,and SPIE, a group that supports the study of light, all have been involved.

VOA: special.2010.09.01

Mitsubishi also made lots of money when it sold its stake in Photonic Integration Research, an American optical-components maker, last year.

ECONOMIST: Japanese trading houses

One, called HERMES or less elegantly the Helicopter Remote Manipulation of External Slingloads has been produced by Advanced Optical Systems, an American firm, for the US Armed Forces.

ECONOMIST: Autonomous helicopters

They were only minor players in these erstwhile American-led industries in the 1980s but are now dominant in everything from optical fibers to smartphone components, not to mention virtually every serious manufacturing challenge in the aerospace industry.

FORBES: Who's Winning: The Japanese or the Koreans?