So it is more feasible to simplify SPN model on the basis of performance equivalence before analyzing it.
因此，在对模型进行分析之前，先对其进行适当的性能等价化简，是一种更为可行的分析方法。
Practice shows that the SPN can be made model and quantitative analysis for a stochastic process system, and it is a very useful tool in the enhaced BPN.
实践表明，SPN能为具有随机过程的系统进行建模和定量分析，是扩展的BPN中一种十分有用的分析工具．。
The paper gives a verification of the soundness and performance analysis of this Web services composition model based on SPN-NET.
文中给出了基于SPN - NET模型的服务组合合理性验证和性能分析方法。
Then the BPEL and SPN-NET model transformation rules and mutual transformation algorithm were given.
同时给出了BPEL与SPN - NET模型的转换规则，并给出了相互转换的算法。
Then the BPEL and SPN-NET model transformation rules and mutual transformation algorithm were given.
同时给出了BPEL与SPN - NET模型的转换规则，并给出了相互转换的算法。
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