The "wrapped" style indicates a particular style of doing document/literal that emulates RPC. (Excerpt from http://marc.theaimsgroup.com/?l=axis-dev&m=101784879902571&w=2)
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Microsoft .NET's [http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfsystemwebservicesprotocolssoapparameterstyleclasstopic.asp <noWiki>SoapParameterStyle</noWiki>].