Rival China Aerospace and Technology Corp. unveiled its FT-1 and FT-3 satellite-guided weapons family.
对手中国航天科技公司披露了它的FT-1 和FT-3 卫星制导武器家族。
2
Plans to upgrade air-traffic-control technology to a modern satellite-guided system have faced repeated delays.
升级空中交通管理技术为现代卫星导航系统的方案一直拖延着。
3
The car will be guided by a differential GPS system that corrects errors arising in global positioning satellite signals as they travel through the ionosphere and troposphere.