“hardness number”的概念、定义、翻译、参考文献-科学参考

单词	hardness number
释义	hardness number [`härd·nǝs ´nǝm·bǝr] ^ENGINEERING A number representing the relative hardness of a mineral, metal, or other material as determined by any of more than 30 different hardness tests.
随便看	chrominance carrier chrominance-carrier reference chrominance channel chrominance demodulator chrominance frequency chrominance gain control chrominance modulator chrominance primary chrominance signal chrominance subcarrier chrominance-subcarrier demodulator chrominance-subcarrier modulator chrominance-subcarrier oscillator chrominance-subcarrier reference chrominance video signal chromite chromium chromium-51 chromium carbide chromium chloride chromium coating chromium dioxide chromium dioxide tape chromium-gold metallizing chromium-iron alloy

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