单词 | densitometer |
释义 | Word Frequency densitometer(ˌdɛnsɪˈtɒmɪtə) noun an instrument for measuring the optical density of a material by directing a beam of light onto the specimen and measuring its transmission or reflection Derived forms densitometric (ˌdɛnsɪtəˈmɛtrɪk) adjective densitometry (ˌdensiˈtometry) noun |
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