Helicopters can land no matter where a hard level ground exists.
直升飞机可降落在任何平整的硬地面。
Their mission is simply to scout out places where helicopters can land.
他们的任务只是找到能够让直升机着陆的地方。
Their mission is simply to scout out places where helicopters can land .
他们的任务只是找到能够让直升机着陆的地方。
For instance, the airplanes and helicopters can not lose the helping role of the aerosphere.
如，飞机、直升机不能失去大气层的辅助住作用。
One thing they can probably agree on is that, whatever else is cut, it should not be helicopters.
但有一件事，他们或许可以达成一致，就是不管削减哪一项的预算，都不能减直升机项目。
Sikorsky has already produced a simulator so that potential customers can experience what these fast helicopters will be like to fly.
西科斯基公司已经制造了模拟机，以便潜在客户可以体验这些快速直升机的飞行感觉。
One of these weapons is the air defense dazzler, which can engage enemy aircraft and helicopters at a range of 10 kilometers.
其中一种激光武器是防空致盲器，该武器可以对10公里范围内的敌方飞机和直升机进行干扰。
Only the Americans can provide drones and helicopters as well as logistics and electronic devices.
只有美军能够提供无人机和直升机以及后勤和电子设备。
The robotic samara spins about 15 times per second and can navigate through small areas and avoid obstacles, giving it advantages over larger vehicles such as helicopters and airplanes.
机器翅果旋转大概每秒15次，并可以导航通过小的地方并且避障，比大的机器如直升机或者飞机更加突出其优点。
People piloting drones and helicopters fight wars against people who use machetes and forty-year old Soviet machine guns; all these tools can kill effectively, and they all exist right now together.
人们驾驶着无人飞机和直升机对那些用着大砍刀和四十年前的苏维埃机械枪开战。所有的这些工具都可以有效地杀人，他们现在都一起存在着。
No one can pretend that the world cannot produce 18 helicopters. It's a question of will.
全球、不可能拿不出18架直升机，只是愿不愿意的问题。
Using a common UAV control protocol and a software system called Tactical Common Data Link, the Army can increasingly move information between UAVs, UAV operators and nearby helicopters.
通过利用一种被称为“战术通用数据链”的通用无人机控制协议和软件系统，美国陆军可以显著地提高无人机、无人机操作员以及附近直升机之间的信息流动能力。
He also has a heavy-transport helicopter squadron with four Boeing Chinooks, and a squadron of Russian medium helicopters that can serve as gunships.
他还有一个带有4架波音支努干直升机的重型运输直升机中队，以及一个可以作为武装直升机服役的俄罗斯中型直升机中队。
So can other aircraft, such as helicopters or prop-planes that don't have jet engines, fly through these conditions?
那么其他的一些飞行器，比如说直升飞机，螺旋桨飞机，他们没有喷气式引擎，可以在这种条件下飞行吗？
Such information can be collected via traffic helicopters, roadside cameras, police patrols, sensors embedded in roads, tracking units in vehicles, data from public transport turnstiles and surveys.
可以利用交通直升机、路旁相机、巡警、道路内嵌传感器、车载追踪单元、公共交通十字转门及调查方法采集获得。
The radar can find helicopters and other assets involved in the mission.
它的雷达可以找到直升机和其它参加行动的资源。
A search is continuing for survivors at the location which can only be reached by boat, and police helicopters and navy vessels are helping in the rescue effort.
对幸存者的搜救工作在船只可以到达的地方持续进行，警方的直升机和海军军舰也尽力支持营救工作的进行。
"We have been using helicopters to deliver relief goods to some places but for today we have to switch the delivery to places that we can reach by road," he said.
“我们一直在使用直升机运送救援物资去一些地方，但今天我们要改变去那些陆运可以到达的地方，”他说。
Other equipment in the cavernous space can replicate the downwash from rescue helicopters, and generate rain, darkness, 120-mile-per-hour winds, smoke and fire.
这个巨大的空间里还有其他一些设备，可以模拟救援直升机的下旋气流，也能制造降雨、黑暗、时速120英里的大风，以及烟和火。
In severely damaged forests, much of the lumber can be recovered only by using helicopters and other vehicles that are expensive to use and maintain.
在严重受损的森林里，木材必须使用直升飞机或者其他交通工具才能回收，而这些的使用和保养费用都非常昂贵。
In severely damaged forests, much of the lumber can be recovered only by using helicopters and other vehicles that are expensive to use and maintain.
在严重受损的森林里，木材必须使用直升飞机或者其他交通工具才能回收，而这些的使用和保养费用都非常昂贵。
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