The message can have more parts, but it has to have the correlation properties.

消息可以具有更多的部件，但必须具有相关性属性。

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So references to WSDL information such as messages, operations, port types, correlation properties, or service link types cannot be validated.

因此，无法验证对WSDL信息(诸如消息、操作、端口类型、相关性属性或服务链接类型)的引用的有效性。

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The correlation properties allow collections to be made according to the content of the messages.

关联属性允许根据消息的内容生成集合。

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In financials, where correlation of performance is high for the properties with major weightings, painting with a broad brush works better.

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