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单词 becke test
释义 becke test
\ˈbekə-\ noun
Usage: usually capitalized B
Etymology: after Friedrich Becke — more at beckelite
: a method of determining with a microscope the relative indices of refraction of a transparent particle (as a plant or animal cell or a mineral) immersed in or in contact with a standard medium of known refractive index
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更新时间:2025/3/29 20:46:21