·2,447,543篇论文数据，部分数据来源于NoteExpress
An analytical function for describing hardness distribution in round section of quenched steel, known as U-curve, has been established.
建立了描述淬火钢圆形截面硬度分布曲线——U曲线的解析函数表达式。
Section emphases:mechanics nature of rock and the affecting factor, hardness and plasticity evaluation and its application.
本节重点：岩石的力学性质及其影响因素，硬度与塑性的评价及其应用。
The cross section micro hardness of the material changes continuously.
材料横截面显微硬度连续变化。
应用推荐