There is a bit difficult in judging covering assembly in partially ordered relation on a basis of its definition in discrete mathematic.
直接根据现有离散数学教材中偏序关系中“盖住”的定义，来判定偏序关系中的盖住集，有时比较困难。
On the basis of APOS theory proposed by Dubinsky, a famous mathematic educator, this paper proposed corresponding learning strategy for the concepts of discrete mathematics.
本文基于著名数学教育家杜宾斯基的APOS理论，提出相应的离散数学概念学习策略。
And after the discrete mathematic model for stability analysis and design a set of military reinforcement machine load of embedded system with ac servo device combined with the dynamic control system.
并对离散化后的数学模型进行稳定性分析，设计了一套以军用加固机加载嵌入式系统与交流伺服装置相结合随动控制系统。
Through detailed mathematic analysis and induction, a discrete time model of bandwidth and buffer limited stream media system is built.
论文通过详尽的数学分析和数学归纳，建立了带宽和缓存均有限的流媒体系统的离散时间模型。
A mathematic model of spray wall-impingement was established based on discrete droplet model (DDM) considering the operating conditions of diesel engine.
基于离散液滴模型(DDM)，结合柴油机实际工作情况，建立了喷雾碰壁的数学模型。
The traffic transportation system of underground structure group is a kind of typical discrete event dynamic system, which is difficult to describe with analytic mathematic models.
地下洞室群的交通运输系统是一种典型的离散事件动态系统，难以用解析方法计算的数学模型来描述。
The concepts and mathematic descriptions of moment and projection for general discrete sequence are also proposed. Their operation rules are studied in details.
给出了序列的矩与投影度的概念和数学描述，并着重研究了其运算性质。
Themodel hypotheses are discussed, the mathematic equations and discrete methods are shown.
文章讨论了模型的主要假设，给出了计算公式和离散方法。
The mathematic model belongs to the nonlinear mixed-discrete variable optimization problem.
该模型属于非线性混合变量优化设计问题。
The mathematic model belongs to the nonlinear mixed-discrete variable optimization problem.
该模型属于非线性混合变量优化设计问题。
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