Web 服务描述语言 (WSDL)（请参阅“参考资源”）规范提供了一个基于XML 的简单语汇表，用来描述可通过网络提供的基于 XML 的 Web服务。

The Web Services Description Language (WSDL) (see Resources) specification provides a simple XML-based vocabulary for describing XML-based Web Services that are available over the network.

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