在实验开始时，在水箱中搅动的是一支参考桨（用于初始化，是一种标准的、平板形、宽度分别为两厘米、六厘米或者是八厘米的桨叶）。
On the first run, the tank was stirred with a reference paddle (initially, a standard, flat shape with a width of two, six or eight centimetres).
讨论了脉冲激光微型焊接中，对于激光的脉冲形状、光脉冲宽度、光通量密度等的选择，并给出了实验结果。
Selection of laser pulse shape pulse duration flux density are discussed in pulsed laser microwelding and the experimental results are given.
基于煤割理压缩实验，建立了应力与割理宽度之间的数学模型。
Based on compress experiment of coal cleat, mathematical model between stress and cleat width was erected.
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