Personnel Safety in Helicopter Operations: Heli-rescue Manual ;
安全人员在直升机业务：贺丽救援手册 ；
Beijing believes that the three Japanese carriers it referred to, built for helicopter operations, could eventually be converted into full aircraft carriers.
北京认为日本建造的三艘直升机登陆舰最终全部会转为航母。
A helicopter carrying his chief of operations was captured at a refuelling stop with help from Americans.
一架载有其作战参谋的直升机在一次降落加油时被俘获，这次行动得到了美国的帮助。
The helicopter's producer, Sikorsky, hasn't acknowledged that the helicopter is one of theirs, and the U.S. Army's Special Operations Command hasn't confirmed it either (and won't).
该直升机的制造商西科斯基尚未承认这架直升机是否是他们的，而美国陆军特种作战司令部同样未予确认。
Different versions of the MI-17 helicopter are designed specifically for high-altitude military operations and are in service in the mountains of Afghanistan.
MI - 17直升机的不同版本专门为高海拔军事作战而设计，并在阿富汗的山区服役。
The dead included three Air Force special operations forces and the five-man Army crew of the Chinook helicopter.
阵亡者名单中还包括有3名美国空军特别行动成员以及5名陆军直升飞机机组人员。
An army helicopter lies on the ground after crashing during rescue operations after landslides in Nova Friburgo, Rio de Janeiro state, Brazil, Thursday, Jan. 20, 2011.
军用直升飞机在山体滑坡后援救过程中坠机后被搁置在空地上，新弗里堡，里约热内卢，巴西，周四20110120。
A former helicopter pilot with extensive special-operations experience said of the pilot's situation "it's pretty spooky-i've been in it myself."
一位具有丰富特种作战经验的前直升机飞行员在谈论这个飞行员此时情况的时候表示，“这相当的怪异，我也经历过这种情况。”
Through adjusting the above structure and performance parameters, rational flight parameters can be decided, which can ensure the safe helicopter mission operations of the slung-load flight.
通过对上述结构参数、性能参数的调节，可确定合理、经济的飞行参数，保证安全、高效的完成直升机机外吊挂飞行运输任务。
Energy companies are now paring production and slashing exploration budgets, forcing helicopter operators to cut staff, streamline operations and shelve or cancel new helicopter orders.
能源公司现在对油气开采和勘探削减预算，迫使直升机运营商削减工作人员，简化操作流程，搁置或取消新直升机订单。
The helicopter's producer, Sikorsky, hasn't acknowledged that the helicopter is one of theirs, and the U. S. Army's Special Operations Command hasn't confirmed it either (and won't).
该直升机的制造商西科斯基尚未承认这架直升机是否是他们的，而美国陆军特种作战司令部同样未予确认。
The helicopter's producer, Sikorsky, hasn't acknowledged that the helicopter is one of theirs, and the U. S. Army's Special Operations Command hasn't confirmed it either (and won't).
该直升机的制造商西科斯基尚未承认这架直升机是否是他们的，而美国陆军特种作战司令部同样未予确认。
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