“Global Maritime Distress and Safety System”的概念、定义、翻译、参考文献-科学参考

单词	Global Maritime Distress and Safety System
释义	Global Maritime Distress and Safety System Encyclopedia 工学〔航海安全〕释 Global Maritime Distress and Safety System; GMDSS全球海上遇险与安全系统国际海事组织（IMO）为改善全球海上遇险和安全通信所建立的一种利用多种通信手段的遇险和安全通信系统。是一种用于海上遇险、安全和搜救活动以及常规通信的综合通信系统。
随便看	frequency matching frequency measurement frequency measuring equipment frequency meter frequency meter, frequency counter frequency method frequency mixing frequency-modulated cyclotron frequency modulated oscillator frequency modulated wave frequency modulation frequency modulation and control frequency modulation and demodulation frequency modulation, FM frequency modulation laser frequency-modulation laser interferometry frequency modulation of hydro-generator unit frequency modulation radar frequency modulation radio frequency modulation screening frequency modulator frequency multiplication frequency multiplier frequency number frequency of access

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