strain HT分离株strainn.拉紧；紧张；血统；笔调；（动植物或疾病的）品种v.拉紧；劳累；过分使用strain energy change rate应变能变化率strain-gage dynamometer应变仪测力计strain hardening exponent应变硬化指数strainght-line knurling直线滚花strain triangular element应变三角形单元体strain-gauge transducer应变片传感器strain-hardening theory应变硬化理论strained heterostructures应变异质外延结构strain-energy amplitude应变能振幅Strain of Achilles tendon跟腱扭伤