piecewise linear的用法和樣例：
例句
- We obtain an upper bounded estimate for the convergence rate of the piecewise linear interpolation.
摘要給出了分段線性插值收斂速度的一種估計。 - Based on analysis of the asymmetrical hysteretic nonlinearity of materials, a piecewise linear asymmetrical hysteretic model was built.
摘要分析了振動壓實過程中被壓實材料的不對稱遲滯特性，建立了一種分段線性的不對稱遲滯模型。
