The signal processing circuses, including the low-noise pre-amplifier, the filter and the phase lock loop(PLL) demodulation were designed.是什么意思_The signal processing circuses, including the low-noise pre-amplifier, the filter and the phase lock loop(PLL) demodulation were designed.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句