域: land within certain boundari ...数据: data; record; information描述: describe; represent语言: language数据描述语言: data description language ddl; ddl data description language存储数据描述语言: stored data description language模式数据描述语言: schema data description language; schema ddl; schemadatadescriptionlanguage文件数据描述语言: file data description language物理数据描述语言: physical data description language系统数据描述语言: system data description language虚拟数据描述语言: virtual data description language中间数据描述语言: intermediate data description language字段数据描述语言: field data description language存储数据的描述语言 存储数据描述语言: storeddatadescriptionlanguage数据描述语言委员会: data description language committee; ddlc数据策略描述语言: data strategy description language数据存储描述语言: dsdl data storage description language数据库描述语言: database descriptive language; dbdl; ddl database description language数据描述: data description数据描述符: data description; dd data descriptor; ddesc data descriptor数据描述项: data description entry数据描述字: ddw:data describing word描述语言: description language,dl; descriptive language; descriptor language; dl description language; durra; language description; scripting language; wsdl web service描述语言学: descriptive linguistics; ive linguistics页描述语言: page description language; postscript