The Service-Oriented Architecture Modeling Language (SoaML) standard USES the term participant and does not distinguish between service providers and service consumers.
面向服务的架构建模语言(SoaML)标准使用术语参与者，而且不区分服务提供商与服务消费者。
What does a participant gain from the mathematical contest in modeling other than a certificate of merit?
大学生参加数学建模竞赛，除了获得一张奖状以外还有什么别的收获？
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