关键词:The types of the properties specified for the foreign key {'x'} on entity type 如何实现，The types of the properties specified for the foreign key {'x'} on entity type 怎么搞，The types of the properties specified for the foreign key {'x'} on entity type 基础知识，The types of the properties specified for the foreign key {'x'} on entity type 代码实例，The types of the properties specified for the foreign key {'x'} on entity type 视频教程，The types of the properties specified for the foreign key {'x'} on entity type 如何自学