Adopting the solution of subsection and combination (SSC), the analytic expression of rigidity of single pile in layered soils is deduced.
采用分段联解法求解层状地基中单桩的抗压静刚度，获得刚度的解析表达式。
Based on the original research of the high order single step method, this paper makes the research on the applicability of this method for the analytic expression of stiffness.
本文在原有高阶单步法研究的基础上对刚度为时间解析函数时方法的适用性进行了研究。
The analytic expression is derived by taking into account the third-order dispersion as an initial chirped Gaussian optical pulse propagates along the single-mode.
在考虑光纤色散三阶项时，推导出具有初始啁啾的高斯光脉冲沿单模光纤传输时的表达式。
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