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alert phase 强调
军队	этап готовности
航空	аварийное сообщение при стадии тревоги; состояние готовности по тревоге; стадия тревоги (MichaelBurov)
马卡罗夫	тревога
英语 词库
alert phase
航空	A situation wherein apprehension exists as to the safety of an aircraft and its occupants.
航空, 加拿大	A phase that begins when a following the uncertainty phase, the communication search has failed to reveal any news of the aircraft; b an aircraft has been cleared to land and fails to land within 5 min after the estimated time of landing and communication has not been re-established with the aircraft; or c information has been received that indicates that the operating efficiency of the aircraft has been impaired, but not to the extent that a forced landing is likely
航空, 国际民航组织	A situation wherein apprehension exists as to the safety of an aircraft and its occupants

alert phase : 2 短语, 2 学科

军队	1
药理	1