“direction indicator”的概念、定义、翻译、参考文献-科学参考

单词	direction indicator
释义	direction indicator [dǝ`rek·shǝn ´in·dǝ´kād·ǝr] See <<directional gyro>>
随便看	velocity-head tachometer velocity hydrophone velocity level velocity microphone velocity-modulated oscillator velocity modulation velocity of light velocity-of-light cylinder velocity-of-light radius velocity of sound velocity pickup velocity potential velocity pressure velocity profile velocity ratio velocity resonance velocity servomechanism velocity shaped canceler velocity spectrograph velocity-type flowmeter velodrome velour velour paper velum velvet

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