MethodsRisk factors of DM was analyzed by factor analysis and linear structural relation model, then fit and evaluate the model.
方法采用因子分析和线性结构方程模型分析糖尿病患病危险因素，并进行模型拟合与评估。
Methods Risk factors of renal calculi were analyzed by factor analysis and linear structural relation model, followed by fitting and evaluating the model.
方法采用因子分析和线性结构方程模型分析肾结石发病的危险因素，并进行模型拟合与评估。
Results of linear structural relation model based on covariance matrix showed that psychological factors affected the development of NIDDM not only directly but also indirectly.
用协方差矩阵配合模型的结果显示，精神因素对糖尿病的患病状况不仅有直接影响，同时也有间接影响。
It can describe the structural, behavioral and functional knowledge of system in a single model. Moreover, the relation between behavior and function is also created in the model.
这种模型不仅可以描述系统的结构知识和性能知识，还可以描述系统的功能知识，并且建立了功能和性能之间的联系。
According to the relation of fracture toughness and stress intensity factor, the cracking similarity condition of induced joint in structural model is established.
根据断裂韧度和应力强度因子的关系，建立了结构模型中诱导缝的开裂相似条件。
This paper describes a product data model as a product structural tree that is composed of data objects and relation objects, and expresses the product structural tree as a matrix.
将产品数据模型表示为包含数据对象和关系对象的树状结构，并用矩阵的形式加以描述。
Using systems theory, the structural relation of chain effects on natural disaster is mathematically analyzed; and a mathematical model is deduced.
运用系统理论观点，从数学层面上分析自然灾害系统的链式关系结构，建立自然灾害链式效应数学关系模型。
Using systems theory, the structural relation of chain effects on natural disaster is mathematically analyzed; and a mathematical model is deduced.
运用系统理论观点，从数学层面上分析自然灾害系统的链式关系结构，建立自然灾害链式效应数学关系模型。
应用推荐