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业余电台通讯活动
释义
业余电台通讯活动
Encyclopedia
教育学
无线电运动
释
amateur radio communication activities
业余电台通讯活动
利用业余电台进行通讯联络以研究无线电技术的一种活动。
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chromospheric condensation
chromospheric ejection
chromospheric eruption
chromospheric evaporation
chromospheric facula
chromospheric fine structure
chromospheric flare
chromospheric flocculus
chromospheric knot
chromospheric line
chromospheric material
chromospheric mottling
chromospheric network
chromospheric plage
chromospheric spectrum
chromospheric spicule
chromospheric spike
chromospheric telescope
chromospheric temperature
chromospheric whirl
chromotin remodeling
chromotropism
chromotropy
chromotype
Chron
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