依据平均年百分比变化评估了变化趋势。
Trends were assessed in terms of average annual percentage change.
用地震速度资料进行钻前地层压力预测，大体可分为趋势线法和支撑上覆岩层压力的百分比法。
Methods used in the prediction of pore pressure can be classified into two groups-the method of trend line and the method of percentage of overburden.
弹性能指数随着煤样百分比的增加而呈现增加的趋势。
Its elastic energy index increases with the increase of percentage of coal.
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