Lesson 1 Basic Concepts in Mechanics机械学的基本概念mechanics n
力学modify v
修改，调解，变更manageable a
可控制【管理】的incline v
（使）倾斜ramp n
斜板，斜坡【道】slope v
（使）倾斜friction n
摩擦roll v
滚动multiplier n
放大器，乘法器broom n
扫帚convert v
转变【化】handle n
手柄【把】sweep v
扫荡【描】，掠过efficiency n
效率gauge vt
测【计】量，校验bearing n
轴承ideal mechanical advantage 理想的机械效益neglect vt
忽略Lesson 2 Basic Assumption in Plasticity Theory 塑性理论的基本假设assumption n
假定plasticity n
塑性investigate v
调查，研究deformation n
变形metal forming process 金属成型工艺【过程】strain (rate) n
应变【速率】strength n
强度stress n
应力yield stress 屈服应力flow stress 流动应力tensile stress 拉【伸】应力compressive stress 压【缩】应力shear stress 剪【切】应力geometry n
几何形状elastic a
弹性的springback n
回弹bending n
弯曲，折弯precision forming 精密成型tolerance n
公差continuum n
连续（体）metallurgical a
冶金（学）的grain n
晶粒dislocation n
位错（uni-,tri-,mul
