This is useful to make a linkage and validate the relations between the Personas and the actual system actors that are determined (or possibly reverse-engineered) during the analysis phase.
建立连接并验证角色和分析阶段中确定的（或者可能是反向工程）实际系统参与者之间的关系是有用的。
2
This provides traceability linkage in this phase.
这提供了这个阶段的可追溯性链接。
3
After a brief introduction of the two-phase excitation scheme, the flux linkage model of a SRM under two-phase excitation is developed using FEA.