在飞机飞行期间请确保手机关机，起飞前关毕所有其他的电子设备。
Ensure your mobile phone is turned off throughout the flight and all other electronic equipment is off for take off.
在飞机飞行试验的数据处理过程中，采用频域方法是比较方便的。
It is convenient to use frequency domain methods to deal with flight test data.
在飞机飞行期间请确保手机关机，起飞前关毕所有其他的电子设备。
Ensure your mobile phone is turned off throughout the flight and all other electronic equipment is off for take off. Please ensure luggage is not blocking the aisles or exits.
在飞机飞行的14公里高空中，大气压力就只占它在地面上的15%。
Where jets fly, 14 kilometres high, the atmospheric pressure is only 15 per cent of what it is on the ground.
空中加油问题是一个关于在飞机飞行过程中，辅机在空中给主机加油来提高主机直航能力的问题。
In-flight fueling of the fighter problem is about the accessorial plane adds gasoline to the main plane during flighting process, in order to increase direct-fly capability.
应用于民用航空领域的远程遥测技术在飞机飞行时就将发动机运行状况和其他系统运行状况的数据发送回基地。
The telemetry used in civil aviation transmits data on engine performance and the behaviour of other systems back to base while the plane is in the air.
从前，有一批旅客搭乘了一架飞往英国飞机，在飞机飞行了一半的航程时，忽然遇到了强大的气流，飞机开始动荡不安。
Once there was a group of passengers boarded the plane to fly British aircraft in flight when half of the voyage, suddenly encountered a strong flow, the plane began in turmoil.
数字摄像机安放在经纬仪上，经纬仪布置在飞机飞行轨迹的两侧，构成了一个能够在俯仰角和方位角下拍摄图像的光测机构。
The cameras are placed on the theodolites which are laid on the sides of flight path, and it can take airplane′s photos at azimuth and pitching angle.
飞机在3 000米的高空飞行。
出于同样的原因，飞机在飞行时收回起落架。
Airplanes retract their landing gear while in flight for the same reason.
他们所学的知识帮助他们在1903年完成了第一次飞机飞行。
What they learnt helped them make the first airplane flight in 1903.
通常情况下，飞机不会在2月到次年10月之间经行极地，因为在漆黑、寒冷的天气下飞行是很危险的。
Normally planes don't go to the polar post from February to October because of the dangers of flying in the pitch-dark and cold.
这架喷气式飞机在仅仅不到三个小时的飞行后就抵达了。
飞机在大约三万英尺的高度水平飞行。
飞机在1 500英尺的高空保持水平飞行。
尽管在飞机等干燥环境中，飞行的过程中很容易滋生传染病，但由于飞机上使用了空气过滤器，因此你在飞机上得病的风险实际上很低。
Although in-flight infections thrive in dry environments like airplanes, your risk of getting sick from an airplane is actually low because of the air filters used.
大多数人认为第一次飞机是在1903年飞行的，但事实并非如此。
Most people believe that the first airplane flew in 1903, but this is not true.
类似的机器也曾搭乘美国宇航局的航天飞机在太空中飞行，但无法进行时间足够长的测试来证明它们是否有效。
Similar machines have flown in space aboard NASA's shuttles, but they couldn't be tested for long enough to prove whether they were effective.
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.
一位高级旅行顾问说，对于商务人士而言，如果他们在穿梭城市中心时，可以在三小时的火车旅程和一个小时的飞机飞行之间做出选择，他们会选择火车。
If businesspeople can choose between a three-hour train journey from city-center to city-center and a one-hour flight, they'll choose the train, says an executive travel consultant.
飞行员手握控制杆，指引无人飞机在阿富汗、伊拉克和其他战场飞行。
In the pilot's hand is the joystick, guiding the drone as it soars above Afghanistan, Iraq, or some other battlefield.
所有飞机在作长途飞行前均需加油。
在飞行梯队中，私人飞机处于最底层。
Private aircraft occupy the lowest rung of the flight ladder.
我又一次打电话给我的兄弟，告诉他我听到很多飞机在天空飞行的声音。他为什么还不回来？
I called my brother again and told him I could hear lots of aeroplanes in the sky, why wasn't he back?
当低垂的云层被岛屿一类的物体所阻碍时就会形成云街，飞机在飞行时机翼后方的气流也会形成类似的漩涡。
Cloud streets form when low-lying clouds are interrupted by an object such as an island. Similar patterns occur in the wind flow downstream of airplane wings.
当低垂的云层被岛屿一类的物体所阻碍时就会形成云街，飞机在飞行时机翼后方的气流也会形成类似的漩涡。
Cloud streets form when low-lying clouds are interrupted by an object such as an island. Similar patterns occur in the wind flow downstream of airplane wings.
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