Rocs
range operations control system 靶场作战控制系统；range-only correlation system 测距相关系统
🗣️ 情景例句
How long will it take for my mail to reach its destination?
我的信件到达目的地要多久？
Whatever is worth doing at all is worth doing well.
凡是值得做的事，就值得做好。
it can become a 'flying fruit-bowl', carrying bananas from the plantations to the ports;
它能成为飞行水果盘子，把香蕉从种植园运到港口。