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.
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。
Markov chains forecasting method could make probability prediction of MDM and could be a reference to long-term developing trend forecasting of this disease.
马尔科夫链预测法可对玉米矮花叶病发生程度作概率预测，可作为该病长期发生趋势预测预报的一个参考。
Methods The trend values were calculated and the monthly indexes were adjusted with moving average method of season prediction method, and then the model was applied.
方法 用季节预测法中的移动平均比率法计算趋势值与调整月指数 ，最后应用模型。
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