The next article in this series, "Modeling SOA: Part 4. Service composition," will describe how these services can be composed to create new services.

在本系列的下一篇文章“soa建模第四部分服务组成”中，将会描述这些服务如何能够被组合在一起来创建新的服务。

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However, the recursive composition characteristic of SOA complicates this further: the consumer is often another service and consequently is in no position to resolve the issue [4].

然而，SOA递归组合的特性使得情况进一步的复杂化：消费者常常是另一个服务，因此也不是解决该问题的合适位置[4]。

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In part 4. Service Composition we looked at how services participants can be assembled by connecting compatible requests and services through service channels.

在第4部分。服务的组成中，我们查看了怎样通过服务渠道将可协调的请求与服务联系起来，来集合服务参与者。

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But the 22-year-old Brit, who started writing music at age 4, also studied composition and violin at the prestigious Guildhall School of Music and Drama and wrote a piece for the London Philharmonic Orchestra last year.

NPR: Micachu And The Shapes: Kitchen Sink Music