短語詞組短語modal strain ratio energy 模態(tài)應(yīng)變比能strain complementary energy 應(yīng)變余能strain -energy amplitude 應(yīng)變能振幅strain n energy theory 應(yīng)變能理論deformation strain -energy 變形應(yīng)變能strain n energy density 應(yīng)變能密度strain n energy equation 應(yīng)變能方程deformational strain -energy 變形應(yīng)變能 返回 strain energy