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以上来源于: WordNet
N a scale for expressing the hardness of solids by comparing them with ten standards ranging from talc, with a value of 1, to diamond, with a value of 10 莫氏标度
Sapphire has a hardness of 9 on the Mohs scale and is also extremely tough.
蓝宝石具有硬度大、9月的层数也非常强硬。
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Human teeth are harder than gold but softer than pyrite, according to the Mohs Hardness Scale, which categorizes how easily minerals scratch.
根据莫氏硬度表,人类牙齿的硬度比黄金大但比黄铁矿小。
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