A practicable transistor on-off circuit is presented which can measure capacitance and dielectric constant accurately.

介绍一个实用的晶体管开关电路，用它能够较准确地测定电容和介电常量。

youdao

Gates doesn't travel much on the Beltway's social circuit, instead spending off-hours with his wife and a small cadre of aides.

盖茨与华盛顿周围的社交圈子并没有太多的来往，业余时间倒是与妻子和一些骨干小助手呆在一起。

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In theory, this could one day provide a key component of any nanoscale electrical circuit-a way to mechanically turn the current on and off or change its direction.

理论上讲，这种机械切换电流通断或方向的方法，或许有一天会成为任何纳米尺度电路的关键元件。

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"They are so determined to keep an African-American off the court, they have allowed a 25 percent vacancy rate on the Fourth Circuit, just to keep an African-American off the court, " he said.

CNN: Clinton slams GOP for blocking judicial nominations

After a three-year absence, the U.S. GP is back at a new circuit build outside Austin after an on-off agreement was finally settled and race fees were paid to Ecclestone's company.

CNN: The strangest race in Formula One history?

Everything, all of the electronics on the vehicle itself, every component had its own solid-state circuit breaker so that we could turn things on and off, and control what was happening.

ENGADGET: Art Thompson, Red Bull Stratos' technical project director, talks circuit breakers, wind shear and biomedical data