After a thorough investigation, many experts now believe that the streak was a run-of-the-mill jet aircraft contrail.
经过彻底的调查，许多专家现在认为，这条轨迹是一条普通的喷气式飞机尾迹。
Today people and goods travel by jet aircraft and fast ships, and information is transmitted at the speed of light over the Internet.
人和货物通过喷气式飞机和快船来流动，而信息是通过互联网以光的速度传送。
The aircraft cost 25 million pounds and can carry heavier loads than huge jet planes while also producing less noise and emitting less pollution.
这架飞机造价2500万英镑，可以比大型喷气式飞机承载更重的载荷，同时产生更少的噪音，排放更少的污染。
The market for launching small satellites is presently only partly served by the Pegasus rocket, which is launched at high altitude by a commercial jet aircraft.
在小型卫星的发射这一市场，目前只有天马火箭公司提供一些服务。他们用商务喷气式飞机在高空进行发射。
Tsunamis travel as fast as jet aircraft in deep water, where they are spread over a far deeper water column and make for smaller and very gradual waves at the surface.
在深海水域，海啸的传播速度像喷气式飞机一样快，但在海面看到的波浪不大。
Among BAE Systems’ plans, for example, is the co-operative control of drones, which would allow a pilot in a jet to fly with a squadron of the robot aircraft on surveillance or combat missions.
例如，作为“英国宇航系统公司”计划之一的无人机联合控制系统将使得喷气式飞机的飞行员在飞行过程中同时指派无人机分队执行侦查或战斗任务。
Because all this is in the same rocket chamber, the aircraft can take off and land in the same way as a conventional jumbo jet.
由于它们发生在同一个火箭舱内，因此天龙能够像普通喷气式飞机一样起飞和着陆。
One of his tasks is to use a computer-controlled machine tool to burn tiny cooling holes electrically in 3-inch-long turbine blades for aircraft jet engines.
他的工作职责之一就是用机控机床为喷气式飞机引擎的3英尺长的涡轮机叶凿出小孔。
The big aircraft-engine-makers are exploring new ideas for jet engines.
巨大的飞机引擎市场正为喷气式飞机引擎开拓新的思路。
The aircraft, known as HB-SIA, has the wingspan of a jumbo jet but just a tiny single-person cockpit.
这架名叫HB -SIA的飞机是一架有着巨大机翼的喷气式飞机，而其驾驶员座舱却只能容纳一人。
Since the advent of jet aircraft, travel has been sped up.
自从喷气式飞机出现后，旅行的速度加快了。
The aircraft-maker said it plans nearly to double production of the fuel-efficient, wide-body jet over the next six months and expects to break even by the end of the decade.
航空市场声称计划在未来的六个月内，加倍生产此类节能，宽体喷气式飞机。并希望在2020年底实现盈亏平衡。
This chain eventually led to jet aircraft, nuclear power, and giant radio telescopes .
这一链条后来导致了喷气式飞机，原子能和巨型射电望远镜的发明。
"Jet", which is literally a huge passenger aircraft, has been made into a goodbye that means that you are leaving promptly (like a jet)!
字面意思表示巨大的喷气载客飞机，它已经被广泛的用于表示马上要离开(犹如一架喷气式飞机)！ ！
He still says, the jet aircraft that the price of C919 plane may compare Boeing and airbus is small 10%, and calculate on added seat, may save again to buy machine client 5%.
他还说，C919客机的售价可能比波音和空中客车的喷气式飞机低10%，而算上增添的座位，可能会为购机客户再省5%。
Jet aircraft now can fly the Atlantic in a few hours.
喷气式飞机如今数钟头就可飞越大西洋。
Therefore, the RCS of forward and rear aspects may be modify by using a waveguide model for the calculation of RCS of jet aircraft.
这样，对于复杂的喷气式飞机目标，其机头和机尾的RCS值就可通过波导模型的模拟来修正。
The main shaft between the air compressor and the gas turbine in a jet aircraft engine is hollow to permit an internal speed reduction shaft with the minimum requirement of space and weight.
在喷气式飞机发动机内位于空气压缩和燃气涡轮之间的主轴是空心的，允许有一个需要最小空间和重量的内部减速轴。
I don't like the noise of these jet aircraft, but I've learnt to live with it.
我厌恶这些喷气式飞机的噪音，但我已经学会去忍受它了。
And every year jet aircraft generate almost as much carbon dioxide as the entire African continent produces.
每年喷气式飞机产生的二氧化碳的量相当于整个非洲大陆产生的量。
And every year jet aircraft generate almost as much carbon dioxide as the entire African continent produces.
每年喷气式飞机产生的二氧化碳的量相当于整个非洲大陆产生的量。
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