单词	dot variation
释义	dot variation 点变量
随便看	radiotelegrapher radiotelegraphers radiotelegraphic radiotelegraphically radiotelegraph radio telegraph radio-telegraph radiotelegraph alarm signal radiotelegraph alarm singal radiotelegraph autoalarm radiotelegraph auto-alarm radio telegraph auto-alarm radiotelegraph auto alarms radiotelegraph certificate radiotelegraph channel radiotelegraph circuit radio telegraph communication radiotelegraph coverage radiotelegraph distress frequency radiotelegraph distress signal radiotelegraphed radiotelegraph emission radiotelegraphic call radio telegraphic call radiotelegraphic signal