piecewise linearity的用法和样例：
例句
- We obtain an upper bounded estimate for the convergence rate of the piecewise linear interpolation.
摘要给出了分段线性插值收敛速度的一种估计。 - Based on analysis of the asymmetrical hysteretic nonlinearity of materials, a piecewise linear asymmetrical hysteretic model was built.
摘要分析了振动压实过程中被压实材料的不对称迟滞特性，建立了一种分段线性的不对称迟滞模型。
