In this paper, using mathematical methods, a semantic structure of MSC based on message mechanism is given. And the function of describing MSC with time concept is extended, with the result of enhanced capabilities of its description.
在原有消息机制的基础上，采用范畴论的数学方法，给出MSC的语义描述结构，并对其结构进行扩展，增强带时间概念的MSC描述功能。
参考来源 - 消息序列图的范畴论语义描述Tribological simulation was a new study problem developed from modern information technology and computer simulation technology in combination with a variety of mathematical methods in the field of tribology.
摩擦学仿真是现代信息技术和计算机仿真技术并结合各种数学方法在摩擦学领域发展起来一门新的研究课题。
参考来源 - 销盘滑动磨损试验的仿真方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Sometimes, I even use mathematical methods and models to go shopping.
有时候，我甚至运用数学方法和模型去购物。
After college, the Western Electric Company put him to work on mathematical methods of quality control.
大学毕业后，西方电气公司安排他从事有关质量控制数学方法的工作。
Thus, in mathematics teaching, more emphasis should be on mathematical thinking and mathematical methods.
因此，在数学教学时，更重于数学思维和数学方法。
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