MDX中或的问题

select [Measures].[公司数] on 0from[FactB2B]where union( {exists([DimComp].[T].[T].members,[DimComp].[PC台数].[1-10])}, {exists([DimComp].[T].[T].members,[DimComp].[员工人数].[1-10])}, {exists([DimComp].[T].[T].members,[DimComp].[服务器台数].[1-10])}, {exists([DimComp].[T].[T].members,[DimComp].[年营业额].[1-1000])}, {exists([DimComp].[T].[T].members,[DimComp].[注册资金].[1-100])},all )