Message in Chinese (Simplified) (中文(简体))
无法序列化类型为“<var>Type Name</var>”的参数(操作“<var>X</var>”，协定“<var>Contract Name</var>”)，因为它不是方法签名中的类型“X”，并且不在已知类型集合中。在序列化该参数，请使用 ServiceKnownTypeAttribute 将该类型添加到操作的已知类型集合中。
Unlocalized message
Cannot serialize parameter of type '<var>Type Name</var>' (for operation '<var>X</var>', contract '<var>Contract Name</var>') because it is not the exact type 'X' in the method signature and is not in the known types collection. In order to serialize the parameter, add the type to the known types collection for the operation using ServiceKnownTypeAttribute.
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