Environmental geographic information system (EGIS) is a specific subject research domain in geographic information system with its peculiar characteristic.
环境地理信息系统作为地理信息系统的一个专题研究领域有其独特性。
Environmental geographic information system (EGIS) is a specific subject research domain in geographic information system with its peculiar characteristic.
环境地理信息系统作为地理信息系统的一个专题研究领域有其独特性。
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