WSCI 是基于 XML 的接口描述语言，它一般与 WSDL 结合在一起使用。

The WSCI is an XML-based interface description language that works in conjunction with WSDL.

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使用WSDL，开发者可以以抽象的形式描述Web服务，与用在其它分布式计算框架(比如CORBA)的现有“接口描述语言”(Interface Description Language (idl))类似。

Using WSDL, developers can describe their Web services in abstract form, similar to existing Interface Description Languages (IDLs) used in other distributed computing frameworks such as CORBA.

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服务具有语法、语义和QoS特征，所有这些都必须进行建模；正式的接口契约必须涵盖的比web服务描述语言(Web Services Description Language, WSDL)的多。

A service has syntax, semantics, and QoS characteristics that all have to be modelled; formal interface contracts have to cover more than the Web Services Description Language (WSDL) does.

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