结果显示三个模型都较好地模拟了腐蚀坑深度的增长过程。

Then the three models were compared in terms of weighted mean square errors (WMSE) .

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主机和控制系统可安装于任何楼层，所需的顶层高度更低、底坑深度更小，大大减轻建筑施工难度。

The traction machine and control system can be installed in any floor, the top floor height and pitch depth can be lower and smaller. It will greatly reduce the construction difficulty.

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试验结果表明：浑水水流的单宽流量大小、含沙量的多少以及含沙粒径的变化都对冲刷坑深度有一定的影响。

The result indicates that the discharge per unit width, the sediment concentration, the grain size of sand influences the depth of scour hole.

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