'宣言 Public Overloads Overrides Function Evaluate( _ ByVal oldResult As IAggregationResult(Of Double,Double), _ ByVal aggregateable As IAggregateable, _ ByVal items As IEnumerable _ ) As IAggregationResult(Of Double,Double)
public override IAggregationResult<double,double> Evaluate( IAggregationResult<double,double> oldResult, IAggregateable aggregateable, IEnumerable items )