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单词 biprism
释义 bi·prism
\ˈbī+ˌ-\ noun
Etymology: bi- (I) + prism
: a triangular prism with vertex angle of nearly 180° used to obtain images of a single source in observing the interference of light — called also Fresnel biprism
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更新时间:2024/12/24 9:59:16