While BPMN is used for defining business processes for analysis and documentation (in general), BPEL4WS is used to define executable business processes.
BPMN被用于定义分析和文档方面的业务过程，BPEL4WS则被用于定义可执行的业务过程。
Methods of comprehensive analysis and documentation were employed.
研究方法：综合分析法与文献资料法。
Methods of integrated analysis, spatial analysis and documentation were employed.
研究方法：综合分析法，空间分析法，文献资料法。
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