• In reproductive period, the dead leaf biomass increased steadily in a linear pattern, with the determination coefficient R2 ranged from 0.471 to 0.676.

    枯叶生物量生殖生长期有着较为稳定线性增长规律,相关性模型确定系数R 2为0.471 ~ 0.676。

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  • 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.

    林龄因变量蓄积量生长模型决定系数引入地位指数密度指数再次参数化的生长模型显著提高模型拟合度。

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  • Interpret the calculated values of the correlation coefficient and the coefficient of determination, and understand the relationship between these two measures of association.

    诠释相关系数决定系数等计算而得数值了解两种相关性测量关联

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  • The precondition of the acceleration testing method is the determination of the train resistance, rotary mass coefficient and train mass. The crucial test is measurement of train acceleration.

    加速度测试先决条件确定列车基本阻力回转质量系数列车质量,而测试关键是列车加速度测定

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  • The methods of the predictor selection in the temperature forecast, the determination of the initial value in the filter process and the revision of the recurrence coefficient are introduced.

    介绍了利用卡尔曼滤波制作温度预报一种因子选取方法滤波过程初值确定递推系数修正的处理办法。

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  • Shunting resistance box is a commonly used method in the determination of the sensitivity coefficient of the resistance strain gauge with the equal-strength beam aparatuses.

    采用等强度、挠度并联电阻电位差计等测定电阻应变灵敏系数一种常用方法

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  • The key to establish model and predict lies in the determination of model parameters, which include generally dispersion coefficient and retardation factor.

    构造模型进行预测关键在于确定模型参数,在土壤溶质运移模型中一般包括弥散系数延迟因子两个参数。

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  • Then it carries on soil sample the experiment of the storing water system, including penetration coefficient determination experiment and capillary water rising experiment of the soil sample.

    然后进行储水系统试验包括土样的渗透系数测定试验毛细上升试验。

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  • Analyses the determination of surface heat transfer coefficient, interior building envelope load, air infiltration load, equipment load and heat storage load, etc.

    分析民用建筑舒适性空调负荷计算表面传热系数内围护结构负荷、渗透风负荷、设备负荷、负荷的确定等问题。

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  • The determination of material structure, performance parameters and membrane resistance, membrane diffusion coefficient of the F4112 ion exchange membrane were introduced.

    介绍了F4112离子交换材料结构性能参数电阻、膜中扩散系数的测定方法。

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  • Coefficient determination, absolute bias, relative absolute bias, root mean square error and relative root mean square error were employed to evaluate the precision of different model systems.

    采用确定系数绝对误差相对绝对误差、均方根误差、相对均方根误差等模型评价指标对不同模型系统精度进行比较分析。

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  • The determination of Disperse Yellow RGFL, Disperse Brown 2rl and Disperse red S-BWFL on coloured Dacron fibres by coefficient multiple derivative spectrophotometry is described.

    本文介绍系数倍率导数光谱法同时测定棕色涤纶分散rgfl、分散2rl、分散s -BWFL的配比。

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  • In the measurement of sound absorption coefficient in random incidence and determination of sound power levels of noise sources, the reverberation room is used very extensively.

    混响声学专业实验室用房,它测量声波无规入射时材料的吸声系数测量噪声源功率中得到了广泛应用

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  • Versatile applications beyond phase measurement of the apparatus are demonstrated, including piezoelectric coefficient determination and physical thickness retrieval.

    该系统除了可以测试薄膜位相特性外,还可以用于确定压电薄膜的压电系数,薄膜物理厚度反演等领域。

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  • Through this way to go on the diagnosis of hitch. The main statement is the two thresholds determination of acceleration and coefficient and the judgment of hitch during the analyze of chart, so…

    重点论述简易诊断中加速度系数两个参数门限确定以及分析中的故障判断,达到简易诊断和精密诊断良好结合。

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  • In the analysis and determination while the density of standard object is properly changed the tropic coefficient could be calculated simply and the speed of data process could be quickened.

    分析测定适当改变标准物质浓度简便回归系数计算加快处理分析数据速度

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  • In the analysis and determination while the density of standard object is properly changed the tropic coefficient could be calculated simply and the speed of data process could be quickened.

    分析测定适当改变标准物质浓度简便回归系数计算加快处理分析数据速度

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