We currently have nuclear propulsion systems.

我们目前拥有核推进。

A firecracker is a rocket because it has a propulsion system.

爆竹是火箭，因为它有个推进。

The submarine's nuclear propulsion system is said to be unaffected.

据说这艘潜艇核推进没有受到影响。

NASA wants more time to examine problems with Starliner's propulsion system.

NASA希望有更多时间来检查星际客机推进。

A rocket is simply a structural body that you can launch, it has a propulsion system.

火箭只是个可以发射结构体，它有个推进。

Starliner's propulsion system is part of what NASA describes as the spacecraft's " service module."

“星际客机”推进是NASA所称“服务舱”部分。

Thrust is the force that pushes a spacecraft through the air. It is produced by a propulsion system.

推力是推动航天器穿越空气力。它由推进产生。

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器推进气泄漏原因。

The thermal protection system, all the propulsion systems that were necessary, really it was an incredible marvel of human engineering.

热防护，所有推进都很有必要，真是人类工程学上个奇迹。

Electric propulsion systems are so simple that really there's just nothing that you really need to be that concerned about.

电力推进非常简单，没有什么真需要担心地方。

They were testing their propulsion system in what they called a propulsion open-air test.

他们正在他们所谓推进露天测试中测试他们推进。

Star Chip features a light-powered propulsion system that reaches speeds up to 37,000 miles per second.

Star Chip 采用光动力推进，速度可达每秒 37,000 英里。

Another creative propulsion system is the EmDrive, also known as the Impossible Drive.

另个创造性推进是 EmDrive，也被称为 Impossible Drive。

Perhaps super magnets could be created to ward off radiation advanced propulsion systems could reduce the time it takes to get to Mars.

或许强力磁铁可以解决，或推进改良可以缩短到火星航程。

Or is there a country on Earth that has discovered an advanced propulsion system that the public is unaware of?

或者地球上是否有个国家发现了公众不知道先进推进？

Though Star Chip remains conceptual, its innovative propulsion system may lay the foundation for interstellar travel in the next century.

尽管 Star Chip 仍处于概念阶段，但其创新推进可能会为下个世纪星际旅行奠定基础。

The radio and GPS cut out some time ago, and the manual propulsion system  engines were damaged in the initial collision.

无线电和 GPS 不久前中断了连接，手动推进发动机在初次碰撞中受损。

The EmDrive may be physically impossible, so aerospace engineers have theorized another propulsion system, replacing nuclear reactors with antimatter thrusters.

EmDrive 在物理上可能是不可能，因此航空航天工程师已经将另种推进理论化，用反物质推进器代替核反应堆。

Last week, a startup called Hyperloop One ran the first successful test of a hyperloop propulsion system on a full-sized test track.

上周，家名为 Hyperloop One 初创公司在全尺寸测试轨道上首次成功测试了超级高铁推进。

Creating von Neumann machines would require a few technologies we don't have yet, including advanced artificial intelligence, miniaturization, and better propulsion systems.

创造冯诺依曼机器需要些我们还没有技术，包括先进人工智能、小型化和更好推进。