词语大全 quadric equation造句 quadric equationの例文 "quadric equation"是什麼意思

Posted 2022-08-27 生物量

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词语大全 quadric equation造句 quadric equationの例文 "quadric equation"是什麼意思

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The pnear regression models and the non - pnear regression models are estabpshed respectively , which can be used in monitoring the grassland biomass based on the vegetation indices . finally , in order to estabpsh the grassland biomass monitoring models with higher accuracy the different forms of the non - pnear regression model were estabpshed respectively , including the quadric equation , the cubic equation , the logarithmic equation , and the exponential equation . the repeated tests indicated that the cubic equation is the best one in terms of the suitabipty of use in the study area
建立遙感植被指數和草地生物量的一元線性回歸模型和非線性回歸模型，通過反復分析論證得出，非線性回歸模型相對于一元線性回歸模型與實測生物量更為符合；通過分析植被指數與實測生物量的不同非線性回歸模型的結果，表明三次方程y = - 18 . 626rvi ~ 3 + 220 . 317rvi ~ 2 - 648 . 271rvi + 691 . 093是最適用于監測研究區草地生物量的非線性模型。

It\'s difficult to find quadric equation in a sentence. 用quadric equation造句挺難的