超地平无线接力系统
transhorizon radio-relay system
闭环无线系统
close-loop wireless communication system
电力系统无功补偿及应用
non-work compensation in power systems & applicati
电力系统无功优化
reactive power optimization
对称式无线系统封包交换
symmetric wireless packet switch
非对称式无线系统封包交换
asymmetric wireless packet switch
分布式无线系统
distributed wireless system
宽带无线系统
high capacity wireless systems
铁路无线系统
railway’s wireless teleco mmunication system
通用分组无线系统
general packet radio service