“scratch hardness”的概念、定义、翻译、参考文献-科学参考

单词	scratch hardness
释义	scratch hardness [`skrach ´härd·nǝs] ^MATERIALS A measure of the resistance of minerals or metals to scratching; for minerals it is defined by comparison with 10 selected minerals which are numbered in order of increasing hardness according to the Mohs scale.
随便看	common joist common labor common language common language family common logarithm common mica common mode common-mode error common-mode gain common-mode input capacitance common-mode input impedance common-mode input resistance common-mode rejection common-mode rejection ratio common-mode signal common-mode voltage common multiple common projectile common pyrite common rafter common-rail injection common return common salt common-source amplifier common storage

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