工学 空间查询 释 spatial query 空间查询 从空间数据库中标识一个地理目标子集的过程。被标识的目标必须满足特定的语义与空间关系准则。又称空间检索、空间数据选取。
计算机应用 信息系统与信息化 释文 spatial query 空间查询
- calcium remover
- calcium signaling
- calcium silicate thermal insulating material
- calcium silicide
- calcium star
- calcium sulfate
- calcium sulfate whiskers
- calcium sulfoaluminate cement
- calcium superphosphate
- calcium transient
- Calcium-treated drilling fluid
- calcium wave
- calclime fertilizer
- calcon
- calconcarboxylic acid
- calc silicate rock
- calc-spar
- calcspar
- calculable
- calculable capacitor
- calculable function
- calculable mapping
- calculable number
- calculable relation
- calculable sequence