平流层通信系统
stratosphere tele communication system
stratospheric communication system
对流层平流层交换
troposphere-stratosphere exchange
磁层-电离层系统(MI系统)
Magmetosphere-Ionosphere(MI) system
无限维离散系统系统
Infinite dimensional discrete time systems
ERP信息管理系统平台
the ERP(Enterprise Resource Planning) information manage system
OPC统一系统平台
OPC unified system platform