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单词
scratch hardness
释义
scratch hardness
scratch hardness
[
′skrach ‚härd·nəs
]
(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.
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更新时间:2024/12/23 21:32:09