Spatiotemporal Variable Coefficient Model 时空变异系数模型
Fixed-effects variable-coefficient model 固定效应变系数模型
Single age variable stock volume growth model had low coefficient of determination, but it was improved a lot by introducing site index and stand density index in reparameterization.
林龄单因变量的蓄积量生长模型决定系数低，引入地位指数和密度指数再次参数化的生长模型可显著提高模型拟合度。
Combine with vehicle model, simulate ABS brake test with single attachment coefficient road and variable attachment coefficient road.
结合车辆模型熏对单一附着系数路面和变附着系数路面进行了ABS制动模拟试验。
A concept of compensation coefficient of factors is presented in this paper and then we establish a model of synthetic assessment with variable weight.
本文从各指标间的相互限制性入手，提出指标间补偿系数概念，继而建立一个变权综合评价模型。
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