执行救助任务或者符合社会公共利益的其他飞行任务所必需的。
It is indispensable for performing a rescue mission or other flight missions conforming to the public interest of the society.
因此两周前我因为协助一项褐鳟鱼救助任务而站在德比郡那条严重枯竭的Lathkill河流时，我们遇到了持续7小时的暴雨。
So two weeks ago I stood in the severely depleted River Lathkill in Derbyshire assisting with a brown-trout rescue mission as horizontal rain belted us for seven hours.
皇家搜救队的主要职责是救助皇家空军的士兵，但在和平时期，他们主要负责民众的紧急救援。皇家搜救队每年要处理1000多起紧急救援任务。
The Search and Rescue teams' main duty is to recover RAF personnel but in peacetime they mainly respond to civilian emergencies, dealing with more than 1, 000 calls a year.
安全是矿山生产能够正常运作的关键因素，如何对矿山安全进行有效预警和应急救助，是目前在矿山安全领域的一项重要任务。
Security is the key in the safe manufacture, how to anticipate danger and take measures to deal the calamity is an important assignment in the Mine Security Field.
他们发现太空飞梭的轨道时间可以延长25天，并且一致认为：如果在第二个太空飞梭能够辅助于左右，以防宇航员需要救助，那么这一任务的危险性还是可以接受的。
They found that the shuttle's orbit time could be extended by 25 days, and reckoned that, with a second shuttle on stand-by in case crew needed rescuing, the risk was acceptable.
先生，我们要你先别挂电话（意译），我马上会派一部救护车过去，他们有油压救命器材和其他仪器会完成（救助）任务。
Operator: Sir, I need you to stay on the line. I'm sending an ambulance right now and they'll have the Jaws of Life and other equipment to do the job.
就其本身而言，尽管艾萨罗曾有过一段大多数人不清楚的不忠过去，现时的他总是会英勇地执行救助同伴的任务。
As such, Ezalor carries his duties of supporting his comrades valiantly despite the treacherous past that most know little about.
皇家搜救队的主要职责是救助皇家空军的士兵，但在和平时期，他们主要负责民众的紧急救援。皇家搜救队每年要处理1000多起紧急救援任务。
The Search and Rescue teams main duty is to recover RAF personnel but in peacetime they mainly respond to civilian emergencies, dealing with more than 1,000 calls a year.
皇家搜救队的主要职责是救助皇家空军的士兵，但在和平时期，他们主要负责民众的紧急救援。皇家搜救队每年要处理1000多起紧急救援任务。
The Search and Rescue teams' main duty is to recover RAF personnel but in peacetime they mainly respond to civilian emergencies, dealing with more than 1,000 calls a year.
皇家搜救队的主要职责是救助皇家空军的士兵，但在和平时期，他们主要负责民众的紧急救援。皇家搜救队每年要处理1000多起紧急救援任务。
The Search and Rescue teams' main duty is to recover RAF personnel but in peacetime they mainly respond to civilian emergencies, dealing with more than 1,000 calls a year.
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