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单词 doublet
释义 doublet
1 A pair of optical lenses of different shapes and made of different materials used together so that the chromatic aberration produced by one is largely cancelled by the reverse aberration of the other.
2 A pair of associated lines in certain spectra, e.g. the two lines that make up the sodium D line.
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更新时间:2025/6/22 22:18:59