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单词
p wave
释义
WordReference Random House Unabridged Dictionary of American English © 2024
P wave,
Geology
a longitudinal earthquake wave that travels through the interior of the earth and is usually the first conspicuous wave to be recorded by a seismograph. Also called
primary wave.
Cf.
L wave, S wave.
1935–40
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更新时间:2026/4/12 15:53:19