工学 空间数据库 释 spatial database 空间数据库 用来存储描述空间实体的位置、形状、大小及其分布特征等多方面信息数据的数据集合。
数据库 特种数据库 释文 spatial database 空间数据库
- polyphase current
- polyphase motor
- polyphase sources
- polyphenol
- polyphenol pathway
- polyphenols
- polyphenyl
- poly(phenyleneethynylene)
- polyphenylene oxide
- polyphenylene oxide (PPO)
- poly phenylene sulfide
- polyphenylene sulfide
- polyphenylene sulfide fiber
- polyphenylene sulfide fibre
- poly phenylene sulfide (PPS)
- poly(phenylp-hydroxybenzoate)
- polyphenylquinoxaline
- Polyphonic Verification Form for Mandarin
- polyphony
- polyphosphazene
- polyphosphazene elastomer
- polyphosphazenes
- polyphosphoester
- polyphosphoric acid
- polyphosphorus anion