rigidity condition

The detailed steps of the method include presentation of condition with safety coefficient for derailment prevention, determination of limit value of bridge lateral rigidity under design speed and check calculations of smoothness and comfort of running train on bridge.

具体步骤是：建立具有安全系数的预防脱轨条件，确定在设计车速下预防脱轨的桥梁横向刚度限值，代入此值检算桥上列车走行平稳性与舒适性。

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minority goes to convulsion sex breaks down or be shown cerebral rigidity condition, bilateral cone bundle ask for masculine gender.

少数为痉挛性瘫痪或呈去脑强直状态，双侧锥体束征阳性。

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