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单词 θ75881
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the world > matter > physics > mechanics > dynamics > thermodynamics > [noun] > instrument illustrating principle (3)
radiometer1875

An instrument comprising four lightweight metal vanes, black on one side and white on the other, mounted on a spindle inside a partially evacuated…

Crookes radiometer1884

Used attributively or in the possessive to designate phenomena observed and apparatus invented by Crookes. Crookes space n. also Crookes dark space

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更新时间:2024/12/24 7:34:38