The leaf area index followed an "s" curve increase, conforming to a logistic model.
叶面积指数呈“S”型增长,并符合逻辑斯蒂模型。
Therefore, the two-parameter logistic model was the best for 2-point scoring model.
因此在采用2级评分模型时双参数模型是最好的。
Sensitivity, specificity and accuracy of the logistic model for prediction of mortality were 85 7%, 82 7%and 85 0% respectively.
相应的回归模型预测感染后死亡的敏感性、特异性和准确性分别为85.7%、82.7%和85%。
A logistic model is a standardized module that is used to regulate the cargo transportation, manage logistics facilities and equipments.
物流模数是用于规范货物运输、管理物流设施与装备的标准化模数。
The temporal dynamic of epidemic of the top blight of P. heteroc-ycla is of the polyetic epidemic disease, which follows a Logistic model.
毛竹枯梢病在林间流行的时间动态属于积年流行病害,遵循罗辑斯蒂模型。
Based on the GM (1, 1) direct modeling method, a method of establishing grey logistic model is put forward, and a grey logistic model of Wenzhou population is obtained.
基于GM(1,1)直接建模法,本文提出了建立灰色Logistic模型的一种方法,并进而建立了温州市人口的灰色Logistic模型。
The conceptional model, the logistic model, the physical model of the data were established in the process of designing and development of the assistant analysis system.
系统的设计开发是建立数据的概念模型、逻辑模型、物理模型的过程。
The two-parameter logistic model is regarded as a polychotomous test model, and the item parameter and the ability parameter are further estimated with the iteration method.
将两参数逻辑斯蒂模型作为多级评分模型,并用迭代法对项目参数及能力参数进行点估计。
The systems using three parameters Logistic model, in view of the value of data, the practice has proved that it can resolve the exposure problems in the current adaptive test.
系统采用三参数逻辑斯蒂模型,针对二值型数据,该系统能有效地解决目前自适应测试中不可避免的试题曝光度问题。
Through comparison with the classic logistic model without considering the spatial autocorrelation, this model showed better goodness of fitting and higher accuracy of fitting.
实验与分析结果表明,改进的空间分析模型拟合优度、拟合精度都有较大的提高。
It is a nonlinear dissipative structure, the same as life system in respect of evolvement and balance. The Logistic model meets the condition of construction project system development.
工程项目生态系统的演化、平衡和生命系统一样,是个非线性的耗散结构,其演化和平衡满足逻辑斯谛模型。
Experimental results show that VPGA using logistic model population size is more efficient and requires less computation time than other modified GAs which only improve the GA operations.
我们的实验结果表明使用离散逻辑斯蒂模型来控制种群规模的VPGA能够比其他从微观算子上改进的遗传算法更加高效省时。
A simple clinical scoring system was developed on the basis of regression coefficients of predictors in a multivariable logistic regression model.
在多变量逻辑回归模型中,开发基于回归系数预测程序的一个简单的临床评分体系。
This setting will create a neural network model that does not contain a hidden layer, and that therefore is equivalent to logistic regression.
这样设置便可以创建不包含隐藏层的神经网络模型,从而使该神经网络模型与逻辑回归等效。
An analysis is given to the selection of routes in military logistic transportation and a model of short cut is presented.
通过对军事后勤运输中运输路线选择问题的分析,提出了最短路模型。
And then it analyzes the data processing, calibrates the model by using the Logistic regression method, and evaluates model applicability.
并对模型数据搜集和处理、模型的标定以及适应性进行分析。
Finally, a Logistic regression model to describe the susceptibility to grasshopper outbreak in the study area was developed using the climatic norms as the variables.
最后,以这些气候指标为自变量,建立了用于该区草地蝗虫发生预测的气候学模型。
A logistic regression model was then used to study factors predicting severity of foot injury.
然后利用逻辑回归模型研究足外伤的严重性预测因素。
On the basis of establishing the optimizing model on logistic vehicle routing problem, this paper presents a Immune algorithm for saving this problem, and makes some experimental calculations.
本文在建立物流配送车辆优化调度数学模型的基础上,构造了求解该问题的免疫算法,并进行了实例计算。
It defines the core operation of logistic of commerce enterprise as storage and transportation, and carry out flow analysis and mathematics model analysis.
然后对商业企业物流的核心业务——库存业务和运输业务进行了流程分析和数学模型的分析,为论文的重点内容做了铺垫。
The text analyzes the influencing factors of private forest's cooperative management willingness, through constructing logistic regression model.
通过构建逻辑斯蒂回归模型,分析影响私有林合作经营意愿的因素。
In this paper, an attitude space of logistic park and structure of logistic industry have been set up, and a nonlinear dynamical model for park's enterprises is established.
文中论述了园区企业的迁移规律,构建了物流园区的态度空间和物流产业构形,建立了园区物流企业迁移的非线性动力学模型。
Through this model, the influence of order delay on logistic system inventory was analyzed, the effect of different procurement plans on beer game was researched.
研究了订货延迟时间对物流系统库存情况造成的影响,比较了不同采购策略对“啤酒游戏”产生的作用。
According to the fact of materials-supply, the system in this paper is adopted in the technology of logistic management, and changed from the old material-supply management model to a new one.
该系统是根据长庆油田物资供应实际情况,应用物流管理技术,改造了企业原有的物资供应模式。
Moreover, they owned advanced modern logistic idea, experienced model of operation as well as powerful competitive advantages.
他们具有先进的现代物流理念,成熟的操作模式,具有很强的竞争优势。
Logistic regression was used to develop a diagnostic prediction model for airflow limitation.
研究以逻辑回归建立气流限制诊断预测模型。
In this model, a logistic regression function is induced from multiple decision trees, which are built based on different training sample sets respectively.
该模型通过对使用多个样本集分别训练出的多棵决策树预测函数进行逻辑回归来得到最终的预测函数。
To solve problems of information communicating and data exchanging, more and more logistic companies are using XML as standard to enhance the co-operation and form the new business model.
为解决多种物流信息系统间信息交流与数据交换的异构问题,越来越多的物流企业采用XML作为数据交换的标准以增强企业间的相互合作,形成新的商业模式。
Minimizing total production and logistic costs within the supply network was considered as the objective function. This modified model can be solved using standard optimization software.
该模型基于混合整数线性规划模型,以供应网络内总生产成本和物流成本最小化作为目标函数,并应用标准优化软件求解。
For the multistage loadings of embankment, the logistic curve model to embankment settlement predication is put forward by error analyses and comparisons.
通过误差分析与比较,把增长曲线模型引入到多级荷载下的路堤沉降预测中。
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