“balanced armature unit”的概念、定义、翻译、参考文献-科学参考

单词	balanced armature unit
释义	balanced armature unit [`bal·ǝnst `ärm·ǝ·chǝr ´yü·nǝt] ^{ENGINEERING ACOUSTICS} Driving unit used in magnetic loudspeakers, consisting of an iron armature pivoted between the poles of a permanent magnet and surrounded by coils carrying the audio-frequency current; variations in audio-frequency current cause corresponding changes in armature magnetism and corresponding movements of the armature with respect to the poles of the permanent magnet.
随便看	Julian day Julian ephemeris century julienite Juliet jumbo jump jump discontinuity jumper jumper tube jump fire jump function jumping a claim jumping gene jumping trace routine jump phenomenon jump resonance jump vector Juncaceae Juncales junction junctional complex junctional nevus junctional receptor junction battery junction box

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