“超声振动挤压强化”的概念、定义、翻译、参考文献-科学参考

单词	超声振动挤压强化
释义	超声振动挤压强化 Encyclopedia 工学超声辅助切削释 ultrasonic vibration extrusion strengthening超声振动挤压强化工具头在预压力和高频纵向冲击力的作用下撞击工件表面，使工件表面的微观峰谷被压平，同时表层金属产生塑性变形强化，形成压应力，进而提高零件表面抗疲劳强度的加工方法。
随便看	second boundary condition second boundary value problem second Brillouin zone second Brocard Cevian triangle second Brocard circle second Brocard point second Brocard triangle Second Bulgarian Kingdom second category second category set second cementing interface second characteristic polynomial second class of ordinal numbers second comparison test second complementary law second component second conjugate space second contact second control second cosine formula second cosine theorem second cosmic velocity second countability axiom second countable space second countable topological space

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。