根据wsdl：operation的定义，接收方web服务接口将预期接收通过receive操作包装的rpc样式的SOAP消息，如下所示。

According to the WSDL: operation definition, the receiver Web service interface expects a RPC-style SOAP message wrapped with a receive operation listed as below.

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当然，将组件和接口的定义(本质上是类型的定义)与系统的定义(连接的实例)分开，是一个很好的想法，因次，我们如下定义了一个系统。

Of course it is a good idea to keep component and interface definition (essentially: type definitions) separate from system definitions (connected instances), so here we define a system.

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接口可按如下形式定义。

An interface can be defined as.

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接口可按如下形式定义。

An interface can be defined as.

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