工学 时空数据模型 释 spatio-temporal data model 时空数据模型 描述地理实体的地理属性、地理空间和地理时间特征的数据模型。
数据库 数据库理论 释文 spatiotemporal data model 时空数据模型
- ionospheric effect
- ionospheric HF oblique sounding
- ionospheric instability
- ionospheric irregularities
- ionospheric irregularity
- ionospheric modification
- ionospheric parameters
- ionospheric propagation of ultrashort wave
- ionospheric radio wave propagation
- ionospheric refraction
- ionospheric refraction and radio wave propagation delay
- ionospheric refraction correction
- ionospheric region
- ionospheric satellite
- ionospheric scintillation
- ionospheric sounding
- ionospheric storm
- ionospheric structure
- ionospheric topside sounding
- ionospheric vertical sounding
- ionospheric vertical structure
- ionospheric wave
- ionotropic receptor
- ionotropy
- ion pair