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
It's really different from what I expected.
这和我想象中的很不一样。
I got caught in traffic, otherwise I would have been here sooner.
我遇到交通阻塞，否则我很快就到这了。
Yes, I have.I was there in April.
是的，我去过。4月份我在那儿。