vhf very high frequency communication
... 高频通信(HF HIGH FREQUENCY COMMUNICATION) 甚高频通信(VHF VERY HIGH FREQUENCY COMMUNICATION) 选择呼叫系统(SEL CAL SELECTIVE CALLING SYSTEM) ...
基于1个网页-相关网页
vhf very high frequency communication
甚高频甚高频通信
以上为机器翻译结果，长、整句建议使用 人工翻译 。