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单词
phonotelemeter
释义
phonotelemeter
phonotelemeter
[
¦fō·nō·tə′lem·əd·ər
]
(engineering)
A device consisting essentially of a stopwatch, for estimating the distance of guns in action by measuring the interval between the flash and the arrival of the sound waves from the discharge.
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更新时间:2025/6/30 23:28:42