light and dark bottle technique
暗伴星
dark companion【天】;faint companion【天】
暂无补充释义。
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dark field and bright field incident light microscope
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light and dark bottle technique
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镀锡板缺陷\nblackspot【机】;dark spot【电子】[专业]太阳的\nmacula【天】;shading【电】视