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单词
spike microphone
释义
spike microphone
spike microphone
[
′spīk ‚mī·krə‚fōn
]
(engineering acoustics)
A device for clandestine aural surveillance in which the sensor is a spike driven into the wall of the target area and mechanically coupled to the diaphragm of a microphone on the other side of the wall.
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to stand in the gap
to stand in the gate
to stand off
to stand off and on
to stand on
to stand on ceremony
to stand on compliment
to stand one in hand
to stand one's ground
to stand on one's own legs
to stand out
to stand to
to stand together
to stand to reason
to stand to sea
to stand trial
to stand under
to stand up
to stand up for
to stand upon
to stand upon one's dignity
to stand with
to stare in the face
to start after
to start against
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更新时间：2025/2/28 0:19:43