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
- vacuseal grease
- vacustat
- vacuum
- vacuum aluminum film
- vacuum ammonia-distillation
- vacuum and its stability
- vacuum annealing
- vacuum arc
- vacuum arc degassing
- vacuum arc furnace
- vacuum arc remelting
- vacuum arc smelting of titanium
- vacuum arrester
- vacuum bag-molding
- vacuum baking
- vacuum behavior of livestock
- vacuum bell jar
- vacuum blower
- vacuum bonding
- vacuum brazing
- vacuum breakdown
- vacuum breaker
- vacuum carburizing technology
- vacuum casting
- vacuum chamber