MDX語句之：ParallelPeriod

sum( ( ParallelPeriod([Date].[Calendar].[Month],35,[Date].[Calendar].currentmember) : [Date].[Calendar].currentmember ) , [Measures].[XXX度量] )

sum((ParallelPeriod([Date].[Calendar].[Year],1,[Date].[Calendar].currentmember).lag(-1):[Date].[Calendar].currentmember),[Measures].[XXX度量])

sum((ParallelPeriod([Date].[Calendar].[Month],6,[Date].[Calendar].currentmember):ParallelPeriod([Date].[Calendar].[Month],1,[Date].[Calendar].currentmember)),[Measures].[XXX度量])