根据施工前进行试爆取得的爆破参数，建立了岩石破碎块度控制模型。
According to blasting parameters that were tested in previous implementation, the model of controlling the fragmentation is built.
根据现场试验所获得的数据，通过多元曲线拟合处理，给出了二种岩石爆破破碎块度的分布规律。
With the aid of the testing data, the authors give the distribution laws on the fragmental degree for two kinds of rocks using the curve regression in this paper.
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