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单词 vibrating-reed tachometer
释义 vibrating-reed tachometer
[`vī´brād·iŋ ¦rēd tǝ`käm·ǝd·ǝr]
ENGINEERING
A tachometer consisting of a group of reeds of different lengths, each having a specific natural frequency of vibration; observation of the vibrating reed when in contact with a moving mechanical device indicates the frequency of vibration for the device.
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