此外，无人机的发动机比要驱动沉重的有人驾驶飞机的发动机体积小，因而发热更低。
Moreover, drone engines are smaller-and therefore cooler-than those powering heavier, manned aircraft.
评价有人驾驶飞机的操纵品质，要求将高阶飞机系统用一个动态特性等效的低阶系统来代替。
Assessing the handling qualities of military aircraft, it requires using a low order equivalent system to substitute for the high order aircraft system.
根据美国国家航空航天局规定，与有人驾驶飞机使用规则一样，“全球鹰”飞行时每小时收费3500美元。
NASA charges the same price — US$3, 500per hour — to use the Global Hawk as for various manned aircraft.
相比较远程有人驾驶飞机，新型无人机的出现代表了一次重大飞跃，成为911恐怖袭击之后美国反恐行动的典型武器。
The new drones represent a big advance in the remotely piloted planes, which have been the signature US weapon against terrorist groups since the September 11 attacks.
这些遥控飞行器一般是由步兵用弹射器、弹弓或者用手投掷发射，其数量要比大型无人机多得多。而大型无人机的数量又与有人驾驶飞机的数量相当。
These robots, typically launched by foot soldiers with a catapult, slingshot or hand toss, far outnumber their larger kin, which are the size of piloted aeroplanes.
因为驾驶员操作失误，飞机坠毁了，机上所有人员遇难。
The plane crashed, due to pilot error, and all aboard were killed.
它也具有另一种技艺：倘若遭到另一架无人机或有人驾驶战机袭击，它能像喷气式战斗飞机那样，实行自卫。
But it is also capable of another trick: the ability to defend itself, like a jet fighter, if it is attacked by another drone or by a manned aircraft.
周四下午，据说有人驾驶小型飞机撞进美国国税局位于德州奥斯汀的一座大楼，好象该人此前已留下了网上消息，部分为自杀遗言，也有部分为声明。
By Thursday afternoon, it seemed likely that the man who flew a small plane into a building housing the IRS in Austin, Texas, had left behind an online message, part suicide note and part manifesto.
当你在暴风雨中航行的时候，飞机会颠簸不已，你会担心驾驶舱里是否有人。
When you have flown through a heavy storm, the plane tossing one way and another, have you ever wondered whether there was really anyone in the cockpit?
最终，“全球鹰”无人机将与美国海军传统的有人驾驶、多任务海上飞机联合进行海上巡逻，并将取代已服役40余年的P - 3巡逻机。
Eventually, they will work with the Navy's traditionally piloted Multi-mission Maritime Aircraft to patrol the seas and replace the P-3s that has served the service for four decades.
他被认为在2008年11月被美国无人驾驶飞机炸死，但也有人认为他仍然活着。
He is thought to have been killed by a US drone strike in November 2008, but some believe he is still alive.
在劫机者被捕之前，有人看到一名男子爬出驾驶舱窗户，并滑落到了飞机旁。
Just before his arrest, one man was seen climbing out of the cockpit window and sliding down the side of the airplane.
在劫机者被捕之前，有人看到一名男子爬出驾驶舱窗户，并滑落到了飞机旁。
Just before his arrest, one man was seen climbing out of the cockpit window and sliding down the side of the airplane.
应用推荐