利用回归分析、灰色关联度和层次分析方法建立了施肥量对农作物生长的数学模型。
Some mathematical models are given about crop growth and fertilization quantity, by using the methods of regression analysis, grey dependent degree and analytical hierarchy process.
本文主要研究了生长曲线模型中回归系数的参数估计问题。
In this paper, some researches on estimator of parameters in the growth curve model are considered.
本文讨论带约束生长曲线模型中回归系数线性估计的泛容许性，给出了回归系数的线性估计在线性估计类中是泛容许估计的充要条件。
In this paper, we will consider the universal admissibility for linear estimators of regression coefficients under growth curve model with respect to restricted parameter sets.
利用生长模型预测法、马尔科夫链预测法和回归模型预测法对玉米矮花叶病发生流行进行预测，并对玉米矮花叶病损失估计进行了初步探讨。
Maize dwarf Mosaic was predicted using growth model forecasting method, Markov chains forecasting method and regression model forecasting method. And yield loss of MDM was assessed.
建立了该菌株分批发酵合成红谷霉素的菌体生长、产物合成和葡萄糖消耗的动力学模型，并对模型参数进行了非线性回归。
The models were developed and provided a reasonable equation for biomass, production and glucose. And parameters were obtained by using non-linear regression techniques.
建立了该菌株分批发酵合成红谷霉素的菌体生长、产物合成和葡萄糖消耗的动力学模型，并对模型参数进行了非线性回归。
The models were developed and provided a reasonable equation for biomass, production and glucose. And parameters were obtained by using non-linear regression techniques.
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