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
Let's meet more often.
让我们常见面。
What a coincidence!
真巧！
He asked very politely, Excuse me, have you got any books about the moon and the stars?
“请问，你有关于月亮和星星的书吗？”