The problems in leakage protection and executive circuit of synthetical protection set in coal electric drill have been analyzed and calculated.

通过分析和计算说明老式煤电钻综合保护装置在漏电保护和执行电路中存在的问题。

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The volume control circuit is composed of a programming switch and a computer storing magnifying executive circuit, and can realize the automatic alarming volume control.

音量控制电路由编程开关、电脑存储放大执行电路构成，可实现报警音量自动控制；

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It turns out that the brain circuit for processing fear - the amygdala - is precocious and develops way ahead of the prefrontal cortex, the seat of reasoning and executive control.

现在人们已经发现，处理恐惧的大脑回路——也就是杏仁核——比负责推理和执行控制的额前皮质要提前发育很多。

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Before Mukherjee, Doug Moore, a former Circuit City executive, held the post.

FORBES: Sears Loses Another Executive From Key Division

Circuit City Chief Executive AlanMcColloughAlan McCollough punctuated his firm's solid earnings report Monday with the unexpected announcement that he will retire next year.

FORBES: Magazine Article

"For those that do it right it's a big deal, " says Scott Silverman, Shop.org's executive director, who cited Circuit City and Sears as chains that have effectively merged store and Web operations.

FORBES: Web Shoppers Tapping The Brakes