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
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Humility is the foundation of all virtue.
谦逊是一切美德的基础。
The Shaws naturally were a musical family.
肖氏一家天生爱好音乐。