如果分模面不能在单一平面，利用设计的对称性来减小侧向推力不失为一种好方法。

If the parting line cannot be on a single plane, then it is good practice to use symmetry of the design to minimize the side thrust forces.

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结果表明，该工法方法能大幅度减小沉降，减小对桥台基础的水平推力，具有显著的经济效益。

The results indicate that this method can minish settlement largely and decrease level thrusts on bridge abutments, its economic benefits are notable.

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采用齿谐波低频调制的设计方法，来削弱直线电机固有的端部效应，使推力的波动减小，并进行了多方案计算，得出比较好的设计方案。

The low-frequency slot harmonic modulation is used to weaken the end effect or decrease the wave of the thrust, and the many projects are designed or the better project is selected.

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