Message in Chinese (Traditional) (中文（繁體）)
DomainService '<var>X</var>' 中的實體型別 '<var>Type Name</var>' 為抽象，必須使用 KnownTypeAttribute 至少指定一個非抽象的衍生型別。
Unlocalized message
The entity type '<var>Type Name</var>' in the DomainService '<var>X</var>' is abstract and must use a KnownTypeAttribute to specify at least one non-abstract derived type.
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