【单选题】A Windows Communication Foundation (WCF) service is generating a separate namespace declaration for each body member of a message contract,even though all body members share the same namespace. You ne...
A.
Declare a wrapper namespace for the message contract by using the WrapperNamespace property of the MessageContract attribute
B.
Explicitly set the Namespace property of all the MessageBodyMember attrbutes to the same namespace.
C.
Declare all of the body members as properties of a DataContract class and use the class as the only body member of the message contract.
D.
Declare all of the body members as properties of a separate MessageContract class and use the class as the only body member of the message contract.
【简答题】Translate the following into chinese: All
materials radiate thermal energy in the form of electromagnetic waves. When
this radiation falls on a second body it may be partially reflected,
transmitted, ...