The method of determining the index for predicting local roof fall has been given, the possibility of using a comprehensive index for roof weighting prediction has been discussed in detail.

初步给出了局部冒顶监报指标的确定方法；重点探索了采用回采工作面来压综合判断指标来预报顶板来压的可能性。

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It is also worthwhile to popularize the method of assessing the environmental quality of a small region by weighting pollution range index.

加权污染幅员指数对于评价小区域的环境质量，是一个值得推广的方法。

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With the method of weighting average, index of goal reliability for fatigue was dealt with. Formula of fatigue design for military bridge was presented. Subentry coefficients were suggested.

采用加权平均法定出疲劳目标可靠度指标，推导了疲劳设计公式，并给出各分项系数的建议值。

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