Based on these, it brought forward the optimum method for selection of main mechanism parameters, ascertained the procedure of replacing profile by arc.

据此提出主要机构参数的优化选择方法，确定齿形圆弧替代的步骤。

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"I think there's a feeling that Ken wasn't fairly treated over the mayoral selection last time and if Ken is back then I hope we would allow him to put his name forward for a fair selection procedure for the mayoralty nomination next time".

BBC: Livingstone applies for Labour return