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