At last, the method to produce the working signal of CCD in detail with using VHDL is listed. Based on the method, it is used in laser device of optic triangle measuring.

最后列出采用VHDL制作CCD工作时序的方法，基于这种方法把它用于光学三角法的激光测微头。

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To make this a pull system, it needs a mechanism allowing the downstream process to somehow signal the upstream process to start working.

而为了使其变成拉动式系统，还需要一种机制来使下游工序以某种信号通知上游工序开始工作。

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As a pediatrician, I know fever is a signal that the immune system is working well.

作为一名儿科医师，我知道发烧是身体免疫系统运行良好的一个信号。

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Hitachi is working with Nippon Signal and the University of Yamanachi to build a new boarding gate that hopefully kills those two security birds with one stone.

ENGADGET: Hitachi boarding gate can sniff explosives on passes, keep the transport queues flowing (video)

You see the system of blinks to signal to an assistant working with him each letter of the book.

NPR: A Beautiful Movie: 'The Diving Bell and the Butterfly'

Rather, TRW is working with Nortel Networks to build signal-splitting chip sets fast enough to eliminate bottlenecks on the next generation of long-distance optical telecom networks.

FORBES: Swords into Dow shares