the variation trend

基本解释

Study the pollutant delivery rule and the reason of the variation trend by environmental geology theory.
运用环境地质学理论研究了污染物运移规律，及造成各种水体水质污染及水质变化趋势的原因。
In UCC and CL normalized maps, the variation trend of loess is basically consistent with that of paleosol in Dadunling section.
在UCC标准化图与CL标准化图中，大墩岭黄土与古土壤变化趋势基本一致。
By using AR model, the variation trend of generator rotor power angle can be predicted and the transient stability of power system can be determined.
该方法采用AR时间序列模型，预测故障后发电机转子角的变化趋势，并根据所构造的转子角预测模型多项式是否存在极值作为暂稳的识别判据。