数据库 数据库新技术 释文 semi-structured data 半结构化数据
- air passenger transport sales agency
- air path
- airphoto
- air pillar emergency rescue tent
- airplane autonomous integrity monitoring
- airplane-based observatory
- airplane-based telescope
- airplane borne instrument
- airplane borne telescope
- airplane seeder
- airpoise
- air pollutant
- air pollutants discharge standard
- air pollution
- air pollution auto monitoring system
- air pollution auto-monitoring system
- Air Pollution Control
- air pollution control and health protection
- air pollution control chemistry
- Air Pollution Control Law
- air pollution control of mobile sources
- air pollution in China
- air pollution map
- air pollution monitoring
- air pollution prevention and control law