工学 【移动通信标准】 释 the fourth generation mobile communication technology 第四代移动通信技术 下行速度理论上可达100兆比特/秒的移动通信技术。是继第三代移动通信技术以后的又一次无线通信技术的演进。俗称4G。
网络与数据通信 无线网络 释文 fourth generation, 4G 第四代移动通信技术
- urban landscape of scenic regions
- urban landscaping systematic mangement
- urban land system in China
- urban land use
- urban land-use
- urban land use arrangement
- urban land use planning
- urban language
- urban legend
- urban lifestyle
- urban livability
- urban logistics
- urban logistic system
- Urban Management And Law Enforcement
- urban master plan period
- Urban medical and health service system
- urban metabolism
- urban meteorological disaster
- urban meteorology
- urban migrant
- urban military geography
- urban mine
- urban mining
- urban mobility
- Urban Modelling: Algorithms, Calibrations, Predictions