The main trigger technology used in red-light systems is the induction loop.

用于红灯系统的主要触发器技术是感应线圈。

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The testing method for imaging quality of visible light systems has been applied in infrared optical systems.

研究了可见光系统星点检验方法在红外光学系统中的应用。

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ZJKC group is involved in the development and production of advanced medical and dental lasers and pulsed light systems for specialized medical requriements all over the world(.

武汉中杰科创科技有限公司是一家专门从事半导体激光器系统，激光电源研发，生产与销售的高科技公司。

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However,in the light of the new development, we have reinforced our security systems in all our airports,".

VOA: standard.2009.12.28

In total, around 75 "Lion Light" systems have so far been rigged up around Kenya.

CNN: Boy scares off lions with flashy invention

Even with the light rail systems, these metro areas are still more friendly to drivers than non-drivers.

FORBES: Restrictive Zoning Is Crippling Silicon Valley's Transit Options

"If the goal of employing red-light camera systems is to improve driver safety, the data suggest that the program has failed, " New Jersey state Sen.

WSJ: Jenkins: The Answer Is a Longer Yellow