多项选择题
A.以服务为中心B.支持多种传输协议C.支持多种消息交换格式D.具有统一性、安全性和可扩展性
A.[ServiceContract]public Class Service1{[Operation Contract]double Add(double n1,double n2)}B.[ServiceContract]public Interface IService1{[Operation Contract]double Add(double n1,double n2)}C.[ServiceContract]public Interface IService1{double Add(double n1,double n2)}D.public Interface IService1{[Operation Contract]double Add(double n1,double n2)}
A.CancellationTokenSourceB.CancellationTokenC.TaskCreationOptionD.TaskStatus
A.LambdaB.ActionC.FuncD.Tuple
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