variable in the model

Based on the efficiency value and slack variable of sorted DEA model, the approach for improving and adjusting the inputs and outputs is discussed and illustrated through a practical case in mechanical industry.

此外，讨论了基于DEA排序模型的效率值和松弛变量指导过程改进和调整的方法，并通过一个机械行业的实例加以说明。

Ball mill pulverizing system has many characteristics, such as multi-variable, strong coupling, time variability, and the difficulty of establishing an effective mathematical model of dynamic process. The conventional control method is difficult to be effectively applied in the pulverizing system.

球磨机制粉系统具有多变量、强耦合、时变性，以及难以建立有效的动态过程数学模型等特点，常规的控制方法在制粉系统中难以得到有效的应用。

A dimensionless variable is defined and a new calculation model of water volume fraction is deduced to accurately measure water volume fraction in oil-water two-phase flow according to the real density of the mixture.

根据油水混合物的真实密度值也能较精确地确定其含水率，计算式的误差小于3%。

Nonlinear Stochastic Evolution Model of Variable Coupled Neuronal Oscillator Population in the Presence of External Stimuli

刺激下可变耦合神经振子群活动的非线性随机演化模型

It is difficult to determine basic assessable variable of the indexes in model analysis.

结合防空兵作战能力评估模型,运用“云重心”理论确定了评估模型中各指标基本评定值.

The stability of feature selection is particularly important especially in the process of discovery of the real variable of a natural model, which has been widely applied to biomarkers.

而在发现自然模型的真实变量过程中，特征选择的稳定性尤为重要，已广泛应用到生物标记中。

2-D track-to-measurement association approach, a BP based Variable Structrue Interaction Multiple Model ( IMM), is proposed to simultaneously resolve the two most important uncertainties existed in the data association problem, i.e. measurement origin uncertainty and target motion uncertainty.

为了同时解决存在于航迹与量测互联问题中的两种不确定性：目标运动和量测源的不确定性，本文提出一种基于BP的变结构交互式多模型2D互联技术。

When the model is modified to include a variable rate of time preference and lack in commitment ability, the Markov perfect equilibrium prefers a constant optimal tax rate nevertheless, being proportional to the constant effective rate of time preference.

而当我们考虑消费者对消费具有短期非耐心，但又缺乏对未来行为的承诺能力的时候，均衡的产出税率与消费者有效的常时间偏好率成正比。

The other variable examined in the model is the historical price change of the company share.

模型研究的其他变量是该公司股票历史价格的变化.

The trigger angle of thyristor is selected as the control variable in the model.

该模型以晶闸管的触发角为控制量。