服务组件是在服务组件定义语言(Service Component Definition Language, SCDL)文件中定义的。

A service component is defined in a service component Definition Language (SCDL) file.

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SCA定义了一种xml语言服务组件定义语言(Service Component Definition Language, SCDL)，该语言允许开发人员定义组件并将其连接起来。

SCA defines an XML language, Service component Definition language (SCDL), which allows developers to define the components and the wiring between them.

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