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spatial query language
释义
spatial query language
Encyclopedia
工学
空间查询语言
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spatial query language
空间查询语言
对空间数据库和空间信息系统进行查询的计算机语言。是在关系数据库结构化查询语言(SQL)上扩展出来的查询语言,即在数据库查询语言上加入空间关系查询,是空间数据库的重要组成部分。
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resident units
residua
residual
residual aberration
residual analysis
residual block design
residual body
residual boundary condition
residual calculation
residual category
residual checking method
residual claim
residual class
residual component
residual control
residual correlation
residual coupling constant
residual current
residual current circuit breaker
residual current operatedprotective devices
residual curve
residual data
residual degree of freedom
residual delay
residual design
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