F-f cavity preselector
[电] 射频空腔预选器
🧩 词语组成解析
[计] 预选器, 预选程序
🗣️ 情景例句
Jogging is a popular form of exercise.
慢跑是一种十分普及的体育活动。
Empty vessels make the greatest sound.
空桶响声大。
Are you going to have a party?
你要举行聚会吗？