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单词
quiet sun
释义
quiet sun
[`kwī·ǝt `sǝn]
ASTROPHYSICS
The sun when it is free from unusual radio wave or thermal radiation such as that associated with sunspots.
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vacuum evaporator
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vacuum filtration
vacuum flashing
vacuum fluorescent lamp
vacuum forming
vacuum frame
vacuum freeze dryer
vacuum fusion
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vacuum gripper
vacuum heating
vacuum mat
vacuum measurement
vacuum metallizing
vacuum metallurgy
vacuum microelectronics
vacuum pan salt
vacuum pencil
vacuum phototube
vacuum plating
vacuum polarization
vacuum printing frame
vacuum pump
vacuum relay
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更新时间:2025/5/24 10:38:55