Based on growth and development data of Yali pear at different years, the grey related degree analysis and G(0, m)prediction model were carried out.
以不同树龄鸭梨树的生长发育资料为依据，利用灰色关联分析法，对鸭梨产量与树体发育指标的关联程度进行了分析。
Six growth curves used for prediction of oilfield development indexes expressed with trigonometric function are proposed, thus perfecting and abounding in the existed growth curve methods further.
提出了用三角函数表示的一类用于油田开发指标预测的增长曲线共6条，从而进一步完善和丰富了现有的增长曲线法。
Six growth curves used for prediction of oilfield development indexes expressed with trigonometric function are proposed, thus perfecting and abounding in the existed growth curve methods further.
提出了用三角函数表示的一类用于油田开发指标预测的增长曲线共6条，从而进一步完善和丰富了现有的增长曲线法。
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