Security and stability in the two-frequency circuit design.

安全、稳定的二分频电路设计。

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Widely used in electronic ballast and other and other high voltage, high frequency circuit.

广泛用于节能灯，电子镇流器以及其它高频、高压电路。

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A circuit network or element to vary the frequency response of an audio-frequency circuit, thus varying the quality of the sound reproduction.

一种改变音频电路的频率响应能力的电路网络或器件，通过这种改变可以调整声音重放的质量。

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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