用广义变分法来计算桥上无缝线路附加力，提出了研究桥上无缝线路附加力计算的新方法。
The author applies generalized variational methods to calculate the additional expansion and contraction forces of CWR on bridge.
用广义变分法来计算桥上无缝线路附加力，提出了研究桥上无缝线路附加力计算的新方法。
The author applies generalized variational methods to calculate the additional expansion and contraction forces of CWR on bridge.
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