结果表明正交法对优化试验设计、灰色关联分析法对试验结果的分析有很重要的实用意义。
The results indicate that the orthogonal method and the grey association technique are useful in engineering experiments.
实验中采用了正交试验设计和回归分析方法。结果表明，充填尾砂中细粒级含量有可能进一步提高，增加充填尾砂的利用率，充填体性质也有所改进。
The experimental data indicated that it is possible to increase the fines content in the fill, thus utilization coefficient of tailings is raised and properties of fill will be improved.
实验中采用了正交试验设计和回归分析方法。结果表明，充填尾砂中细粒级含量有可能进一步提高，增加充填尾砂的利用率，充填体性质也有所改进。
The experimental data indicated that it is possible to increase the fines content in the fill, thus utilization coefficient of tailings is raised and properties of fill will be improved.
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