领域信息包括领域的空间信息和文字数值信息，两者通过领域标识符id相联系。
Information of area includes the information of space and the literal and numeric information, which are related by id, i. e. identifier or area.
领域信息包括领域的空间信息和文字数值信息，两者通过领域标识符id相联系。
Information of area includes the information of space and the literal and numeric information, which are related by id, i. e. identifier or area.
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