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单词
round-the-world echo
释义
round-the-world echo
round-the-world echo
[
′rau̇nd
th
ə ′wərld ′ek·ō
]
(communications)
A signal occurring every ¹⁄₇ second when a radio wave repeatedly encircles the earth at its speed of 186,000 miles (300,000 kilometers) per second.
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33 (numerology)
33p
33rd
3,3'-thiodiproprionic acid
34
34010
3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide
3,4,5-trihydroxy-benzoic acid
3,4,5-trimethoxyphenethylamine
3,4-benzpyrene
3,4-dihydroxy-phenylacetic acid
3,4-dihydroxyphenylalanine
3,4-dihydroxyphenylglycol
3,4-dinitrobenzoic acid
3,4-ethylenedioxylthiophene
3,4-methylenedioxyamphetamine
3,4 methylenedioxy-methamphetamine
3,4-methylenedioxymethamphetamine
3,4-methylenedioxy-n-butylamphetamine
34th
3/4 time
3/4 time signature
3/4 top down view
3/4 top-down view
3-4x jugatsu
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更新时间:2025/3/20 9:46:58