SIGMET
- n. 重要气象信息：一种针对飞行员的气象报告，提供有关影响飞行安全的重要气象现象（如雷暴、颠簸、沙尘暴等）的信息。
SIGMET
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abstract:
SIGMET, or Significant Meteorological Information, is a weather advisory that contains meteorological information concerning the safety of all aircraft. There are two types of SIGMETs, convective and non-convective.
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WordNet