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.
枯叶生物量在生殖生长期有着较为稳定的线性增长规律,相关性模型确定系数R 2为0.471 ~ 0.676。
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。
Interpret the calculated values of the correlation coefficient and the coefficient of determination, and understand the relationship between these two measures of association.
诠释相关系数与决定系数等计算而得的数值,和了解这两种相关性测量的关联。
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.
加速度测试法的先决条件是确定列车基本阻力、回转质量系数和列车质量,而其测试关键是列车加速度的测定。
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的一种因子选取方法和滤波过程中初值的确定、递推系数修正的处理办法。
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.
采用等强度梁、挠度计、并联电阻箱、电位差计等测定电阻应变计的灵敏系数是一种常用的方法。
The key to establish model and predict lies in the determination of model parameters, which include generally dispersion coefficient and retardation factor.
构造模型进行预测的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和延迟因子两个参数。
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.
然后进行储水系统土样的试验,包括土样的渗透系数测定试验和毛细水上升试验。
Analyses the determination of surface heat transfer coefficient, interior building envelope load, air infiltration load, equipment load and heat storage load, etc.
分析了民用建筑舒适性空调负荷计算中表面传热系数、内围护结构负荷、渗透风负荷、设备负荷、蓄热负荷的确定等问题。
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离子交换膜的材料结构、性能参数及膜电阻、膜中扩散系数的测定方法。
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的精度进行比较分析。
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.
本文介绍了用系数倍率导数光谱法同时测定黄棕色涤纶上的分散黄rgfl、分散棕2rl、分散红s -BWFL的配比。
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.
混响室是声学专业的实验室用房,它在测量声波无规入射时材料的吸声系数和测量噪声源的声功率级中得到了广泛应用。
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的位相特性外,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。
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和峭度系数两个参数的门限确定以及谱分析中的故障判断,达到简易诊断和精密诊断的良好结合。
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.
在分析测定中适当改变标准物质的浓度,可简便回归系数的计算,加快处理分析数据的速度。
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.
在分析测定中适当改变标准物质的浓度,可简便回归系数的计算,加快处理分析数据的速度。
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