Assuming no slippage occurred on the interface between pile and soil, an equivalent equation of displacement coordination is obtained to constitute a new method calculating settlement of single pile.

在假定桩土接触面不产生滑移的条件下，确定在桩基础沉降过程中与能量守恒定律等效的位移协调方程，并在此基础上建立了一种新的单桩沉降计算方法。

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An approximate equivalence method is used to simplify the recovery equation with mixture densities into single density.

采用近似等价的方法，将含有混合密度的恢复方程简化为单一密度求解。

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Based on the orthodox theory, a model of a single electron transistor (SET) of metallic tunneling junctions is built using the master equation method.

在正统理论的基础上，使用主方程法建立了金属结单电子晶体管的器件模型和算法流程。

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