A four-joint flexible underwater pisciform propulsion system is developed and the control flow chart is presented.
设计了四性水下仿鱼形推进器,给出了控制流程图,建立了运动学方程。
2 Class B: AIRSHIP or DIRIGIBLE -An aerostat, equipped with means of propulsion and steering.
飞船或飞艇—浮升器之一种,配有推进方法和操纵舵。
In addition, the USAF continues to fund development work of the Aerojet (formerly Atlantic Research) Variable Flow Ducted Rocket ramjet system as a future propulsion option for an extended range AAM.
此外,美国空军继续投资于航空气研究所(原来的大西洋研究所)的流管火箭发动机系统,将其作为增程空空导弹的未来推进选项。
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We'd have to design new propulsion, navigation, hibernation and life support systems.
我们须设计新的推进,导航,冬眠和生命支持系统。
A firecracker is a rocket because it has a propulsion system.
爆竹是火箭,因为它有一个推进系统。
The submarine's nuclear propulsion system is said to be unaffected.
据说这艘潜艇的核推进系统没有受到影响。
NASA wants more time to examine problems with Starliner's propulsion system.
NASA希望有更多的时间检查星际客机推进系统的问题。
And hopefully we'll have new kinds of propulsion coming along as well.
希望我们也会有新的推进。
The first electric propulsion engines were actually developed in the 50s and 60s.
最初的电力推进引擎,是在上世纪五六十年代发展起的。
We currently have nuclear propulsion systems.
我们目前拥有核推进系统。
The technological conscience of this effort is the jet propulsion laboratory's chief engineer, Gentry Lee.
技术方面的成喷气推进实验室的总工程师真特瑞·李。
Why was she not allowed into the engineers' lectures on orbital mechanics and rocket propulsion?
为什么不让她参加工程师们关于轨道力学和火箭推进的讲座?
The Pacific flying squid uses jet propulsion for another purpose: to launch itself right out of the water.
从水中发射。
SCOTT MORRISON, PRIME MINISTER OF AUSTRALIA: To stress again, this is about propulsion.
再次强调,这些武都是动力驱动发面的。
They are working to develop advanced propulsion and habitation—where and how people will live on Mars once they get there.
正努力开发先进的助推,以及人类登陆火星后的生活舱。
Their humbler followers, such as partridges, have a like power of strong propulsion, but soon tire.
次于野鸭和鸽子的鸟,如鹧鸪,有相似的巨大推动力,但很快会疲劳。
Starliner's propulsion system is part of what NASA describes as the spacecraft's " service module."
“星际客机”的推进系统是NASA所称的“服务舱”的一部分。
Hubble has revolutionized knowledge of the universe with thousands of spectacular images but has no built-in propulsion.
哈勃望远镜拍摄了数千张壮观的图像,彻底改变了人们对宇宙的认识,但它没有内置推进装置。
A rocket is simply a structural body that you can launch, it has a propulsion system.
火箭只是一个可以发射的结构体,它有一个推进系统。
Thrust is the force that pushes a spacecraft through the air. It is produced by a propulsion system.
推力是推动航天穿越空气的力。它由推进系统产生。
One model being developed at NASA's jet propulsion laboratory is only a couple centimeters on each side.
NASA的噴射推進實驗室開發一種模型每边只有几公分宽。
In the Summer of 2003, NASA's jet propulsion laboratory, delivered two exploration spacecrafts, to the surface of Mars.
在2003年夏季,NASA的喷气推进实验室派了两台探测飞船,到火星的表面去。
At the same time, engineers are seeking to find the cause of helium leaks in the spacecraft's propulsion system.
与此同时,工程师们正在寻找航天推进系统氦气泄漏的原因。
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