协调飞机在地面上的交通和掌控空中交通一样复杂。
Coordinating airline traffic on the ground is as complicated as managing the traffic in the air.
由于天气恶劣，飞机在地面上又停留了两个多小时。
The plane remained on the ground for two more hours because of the bad weather.
飞机在地面的操纵特性的检查。
A check of the operational characteristics of the aircraft on the ground.
飞机在地面植物和流通的影响可以看到什么。
Plants at the ground plane influence circulation and what can be seen.
当飞行中和飞机在地面接通电源时，抽气风扇是一直工作的。
The extraction fan operates continuously during flight and also on the ground when electrical power is available to the aircraft.
新一代的飞机牵引车无需拖把，这就使得飞机在地面上的操作更快更安全。
This new generation of aircraft tractors works without towbar, thus enabling a quick, safe and economical handling of aircraft on the ground.
燃料电池可以当做辅助供电单元使用，比如，当飞机在地面时，可以允许关闭飞机发动机。
The fuel cells could be used as auxiliary power units to produce electricity when an aircraft is on the ground, for example, allowing its engines to be turned off.
她告诉BBC的记者说：“今天太棒了，我们都非常激动。 今天的测试内容是让飞行员体验一下飞机在地面上移动的时候感觉如何。”
Today's activities are designed to give the test pilot a feel for how the plane moves on the ground.
飞机得在达到一定的速度以后，才能有足够的提升力从地面起飞。
An aeroplane has to reach a certain speed before there is enough lift to get it off the ground.
飞机从一个地面信标到下一个信标曲折飞行，在每一阶段都要经过地面的许可才能上升和下降。
Planes must zigzag from one ground beacon to the next, and ascend and descend in steps at each stage obtaining permission from the ground.
强度最大处位于飞机正下方，随着离飞行路线的横向距离的增大强度不断减小，直到因为冲击波在地面的折射而消失。
Maximum intensity is directly beneath the aircraft, and decreases as the lateral distance from the flight path increases until it ceases to exist because the shock waves refract away from the ground.
这种攻击通过模拟ads - B的数据报文，在地面空管人员的显示屏或飞行员的跟踪显示屏上建立假的飞机信号。
This attack mimics the format of ADS-B data packets to create fake aircraft signals, either on the ground controller's screen or on the pilot's tracking display.
据NASA解释，飞机在超音速飞行时会产生延伸到地面的加压空气分子锥。
Airplanes flying faster than sound create a cone of pressurized air molecules that extends to the ground, as NASA explains.
最终这班电梯顺利到达地面，要知道在第二架飞机撞击南楼之前，这是最后一批顺利抵达的电梯。
It was one of the last to reach to the ground before the second plane struck their building.
为了在3 - D模型中重现，一架双引擎飞机飞越城市和浓密的树冠，发射并采集从地面，建筑物和其他结构反射回来的激光束。
To reproduce the landscape in 3-D, a twin-engine plane flew over the city and fired laser beams through the dense tree canopy. The beams bounced off the ground, buildings, and other structures below.
这种飞机为战场提供地面防护，并显著增强了在沿海、滨海和区域冲突中的能力。
The aircraft is designed to provide battle-group protection and add significant capability during coastal, littoral and regional conflicts.
飞机在午夜前后到达指定区域，看到地面上出现了正确的识别信号。
Reaching the designated area around midnight, the aircraft received the proper recognition signal from the ground.[7]
有句俗话说，“他们可以吃飞机除外外的一切在天空中飞行的东西，列车除外的一切在地面上运行的东西。”
There is a saying that "they can eat everything flying in the sky except for the planes, and everything running on the ground except for the trains."
另一名驾驶员在机场地面看到小型飞机向直升机飞近，他设法用无线电紧急警告上空的直升机驾驶员，但他可能没有听到，或听到时为时已晚。
Another pilot on the ground at the heliport saw the plane approaching and tried to radio an alert to the helicopter above. But the warning was either not heard, or failed to get through in time.
波音表示，地面振动测试已经于上周在第二架测试飞机-ZA002上完成。
Boeing also confirms that ground vibration testing were concluded last week on the second test aircraft, ZA002.
超音速的飞机只允许在水上飞行，这样就只限于往返于被海洋隔开的富裕的国家——因为声震可以毁坏东西和给在地面上的人产生噪声。
Supersonic flights are allowed only over water-and are thus limited to connecting wealthy cities separated by an ocean-because sonic booms can damage things and annoy people on the ground.
他在飞机撞击地面时震晕了，当他苏醒过来时，他惊异地发现身边有名妇女在照料他。
He was knocked unconscious during the crash landing, and when he came to, he was astonished to find a woman leaning over him.
相似的，被称为地面效应，能够在飞机十分贴近地面是产生。飞鱼似在飞跃海面时，利用了这一效应。与之相似的还有“地面效应”，这种效应在飞机十分贴近地面时产生。飞鱼在掠过海面时，似乎就利用了这一效应。
A similar thing, called ground effect, can happen when an aircraft gets very close to the ground. Flying fish, it seems, use this effect to their advantage as they skim across the sea.
通过在ACS指挥官使用数据不仅是从地面雷达，而且，根据一些数据，即使是从早期预警雷达飞机。
Through the ACS the commander uses data not only from ground radar, but also, according to some data, even from early radar warning aircraft.
通过在ACS指挥官使用数据不仅是从地面雷达，而且，根据一些数据，即使是从早期预警雷达飞机。
Through the ACS the commander uses data not only from ground radar, but also, according to some data, even from early radar warning aircraft.
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