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short wave radio time service
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short wave radio time service
Encyclopedia
工学
授时
释
short wave radio time service
短波授时
将标准时间信号调制在波长为3~30兆赫兹无线电信号上,并通过发播台站发播给时间用户使用的方法、技术和过程。
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falling power
falling protection device on slope
Falling Snow in YiLi
falling sphere method
falling star
falling systems tract
falling tail
falling temperature method
fall-into
fall line
fall meteorite/observed fall
fall-off
Fall of Japan
fall-of-potential
fall of the sea
Fallopian tube
fallopian tubes anomalies
falloposcopy
fall-out
fallout rate
fallow deer
fallow land
fall-plate stitch
fall risk assessment
falls
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