The algebra synthesis method is used to obtain the expectation and variance of the assemble responses. The reliability model of mechanism motion function can be built.
采用代数综合法求得机构输出总位移的均值和方差，建立了机构运动功能可靠性的分析模型。
Building design model and a theory of function decomposing are the key for mechanism conceptual design.
设计模型的建立和功能分解理论是机构概念设计的关键。
In the paper, the function structure, propagation mechanism and the SIR epidemic model are introduced.
本文介绍了网络蠕虫病毒的功能结构、传播机制以及SIR流行病传播模型。
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