distress

  • distress - 遇險
  • distress alerting frequency {=SARSAT} - 遇險警示頻率(SARSAT:；0；MHz)
  • distress alerting frequency {=VHF} - 遇險警示頻率(VHF:；；.；MHz)
  • distress call - 遇險呼叫
  • distress frequency - 遇險頻率
  • distress signal - 遇險信號

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