beacon frequency
短语词组
- laser beacon frequency locking 激光信標鎖頻
- search and rescue beacon frequency 搜救信標頻率
- frequency beacon 信標頻率
- low frequency beacon 低頻信標;繙譯;低頻信標英語
- dual frequency beacon 雙頻信標
- double frequency beacon [測]雙頻信標
- LFB Low Frequency Beacon 低頻信標
- radio -frequency beacon 射頻信標機
- double e frequency beacon 雙頻信標 返回 beacon frequency