单声变调 Monopit
声变换器 [声] acoustic transformer
立体声变调 stereo pitch shift
低噪声变压器 low noise lever transformer ; low-noise transformer
光声变换器 optoacoustic transducer
声变差 acoustic fluctuation
超声变幅杆 Ultrasonic Amplitude Transformer ; ultrasonic exponential solid horn
电声变量器 electro-acoustic transformer ; acoustic transformer
听见人群的叫喊声变大 hear the crowd gettin' loud
那一夜，我和妈妈吵了一架，生气地跑回屋里，“砰”的一声关上了房门，我坐在桌旁默默地哭泣，但我早已决心变的坚强，就拿出作业来写。
That night, my mother and I had a quarrel, angrily ran back inside, slamming the door closed, I sat quietly cry, but I have determined to become strong, he took to write.
我身后的脚步声现在变响了。
讨论波形捷变雷达接收部分使用声表面波带通滤波器和声表面波色散延迟线进行信号处理的有关问题。
The signal processing problems in the receiving part of multi-waveform radar using SAW bandpass filters and SAW dispersive delay lines are discussed.
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