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Terms containing virtual database | all forms | exact matches only | in specified order only
SubjectEnglishChinese
el.virtual database虚拟数据库
el.virtual database level虚拟数据库级
el.virtual database management system虚拟数据库管理系统
spacevirtual geospatial database虚拟地理空间数据库
el.virtual world database虚拟世界数据库

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