In this paper, a new predicting model of single eutrophic index of water quality is developed by grey systems GM (1, 2) modelling.
本文应用灰色GM(1,2)建模方法，提出了水质富营养化单项指标的一种新的预测模型。
Because it can not predict the future index, this paper combine the injection-production-curve method with HCZ model, find the method of predicting steam injection and heavy oil production.
鉴于其不能对未来进行预测，提出了应用注采曲线法同hcz模型相结合对现场注入蒸汽及稠油产量进行预测的方法。
The rotor angle predicting method adopting the forgetting index of auto regression (AR) model arithmetic is presented.
提出了采用遗忘因子的自回归（AR）模型的功角预测方法。
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