By using hydrodynamics theory and method, we can analyze the mechanics principle of two-tank system and establish the system mathematics model.
本文从机理建模入手，应用流体力学理论对双容水箱液位系统进行力学分析，建立非线性数学模型。
This paper introduced the basic concept of uncertain degree and its mathematics model, and evaluated uncertain degree in tensile strength measure of reinforcing steel bar in material mechanics.
介绍不确定度的基本概念和数学模型，并对材料力学性能测试中常见的钢筋抗拉强度检测中的不确定度进行了简要的分析和评定。
The mathematical model of bending formation lapping tools was established through mechanics and higher mathematics, and the width function expression of the lapping tools was deduced.
通过力学和高等数学建立了磨具弯曲成形的数学模型，并推导出磨具的宽度函数表达式。
The evaluation model which will have wide application prospect and major social and economic benefits integrates knowledge including information, mathematics and mechanics and so on.
该评价模式融入了信息、数学和力学等多方面知识，它将具有广泛的工程应用前景，及重大的社会效益和经济效益。
The parameter mathematics model based on mechanics principle and the design and realization of the parameter software are explained in detail.
详细阐述了基于力学原理建立的参数化数学模型及其参数化软件的设计与实现。
By using hydrodynamics theory, the mechanics principle of two-tank system was analyzed and the system nonlinear mathematics model was established.
应用流体力学理论对双容水箱液位系统进行力学分析，采用机理建模方法，建立非线性数学模型。
On the aspect of creating mathematics and mechanics model, the modernistic design method such as inverse-do engineering, optimization design, CAD was adopted.
在推导数学模型和力学模型方面，借助了反求工程、优化设计、计算机辅助等现代设计方法。
On the aspect of creating mathematics and mechanics model, the modernistic design method such as inverse-do engineering, optimization design, CAD was adopted.
在推导数学模型和力学模型方面，借助了反求工程、优化设计、计算机辅助等现代设计方法。
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