hard.ness
n.Abbr. h.,H.(名词)缩写 h.,H.
The quality or condition of being hard.
变硬的性质或条件
Mineralogy The relative resistance of a mineral to scratching, as measured by the Mohs scale.
【矿物学】 相对硬度:用莫氏硬度标测量的某种矿物质的相对硬度
The relative resistance of a metal or other material to denting, scratching, or bending.
硬度:某种金属或其他物质相对抗压、抗划或抗折的能力