Frequency tracking circuit is one of the special circuits used in the ultrasonic generator.

频率跟踪电路是超声波发生器中的一种特殊电路。

youdao

The controlling loop includes start-up circuit, frequency tracking circuit, driving signal circuit, and water lack protecting circuit.

控制回路由启动、频率跟踪、驱动信号、缺水保护电路组成。

youdao

The former determines the frequency range which should be revised by the hot tracking circuit, while the later is the final frequency error of the local oscillator.

同时也提出了热跟踪后本振频率跟踪误差项。分析前者，可以决定热跟踪电路应予修正的频率范围，而后者则是跟踪本振最终的误差。

youdao

The SEC has already proposed a number of changes designed to address their growing influence, including extra restrictions on broker-dealers that provide direct market access to high frequency traders, a trader tracking system for large traders, circuit breakers that would slow trading in individual stocks if they fall more than 10%, and new rules for off-exchange trading venues.

FORBES: SEC Wants Real Time Trading Data

Little noticed, the Holder Justice Department's attorneys have defended the Bush warrantless wiretap policy-in a long-running lawsuit in San Francisco's Ninth Circuit, and last month before the Third Circuit in Philadelphia, involving the tracking of cellphone locations.

CENTERFORSECURITYPOLICY: Liz Cheney's big question

CarMax, the used-car dealer owned by Circuit City, the consumer electronics chain, has a tracking stock.

FORBES: Trick or Track?