“class A push-pull sound track”的概念、定义、翻译、参考文献-科学参考

单词	class A push-pull sound track
释义	class A push-pull sound track [´klas `ā ¦pu̇sh ¦pu̇l `sau̇n ´trak] ^{ENGINEERING ACOUSTICS} Two single photographic sound tracks side by side, the transmission of one being 180° out of phase with the transmission of the other; both positive and negative halves of the sound wave are linearly recorded on each of the two tracks.
随便看	electronic controller electronic counter electronic countermeasure electronic coupling electronic data processing electronic data-processing center electronic data-processing management science electronic data-processing system electronic deception electronic defense evaluation electronic differential analyzer electronic display electronic distance-measuring equipment electronic driftmeter electronic dummy electronic efficiency electronic emission spectrum electronic energy curve electronic engineering electronic fix electronic flame safeguard electronic fuse electronic heating electronic horizontal-situation indicator electronic humidistat

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