在数值求解过程中介绍了用“冻结”技巧来处理动边界，使动边界计算问题简化成固定边界。

A "condensation" technique is used in calculation and the problem of a moving boundary computation can be reduced to a fixed one.

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本文还导得动平床情况下的流速分布公式、阻力公式和输沙率公式，使动床的水流运动和输沙过程得以联解。

The formulas of velocity distribution, flow resistance and bed load transport rate are obtained, in which the flow and sediment movement are considered simultaneously.

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通过理论分析和对比，提出采用主辅线圈串联励磁的方法来改善励磁线圈的作用效果，使动铁心在较长的运动行程下始终能获得足够的操作功。

As results, a novel excitation method with main coil and auxiliary coil in series is presented so as to make the armature obtain enough energy to move all through.

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That's what makes my fingers move right now.

是灵魂使我的手指动起来了

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