We currently have nuclear propulsion systems.

我们目前拥有核推进系统。

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希望有更多时间来检查星际推进系统问题。

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

“星际”推进系统是NASA所称“服务舱”一部分。

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

火箭只是一个可以射结构体，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.

推力是推动航天器穿越力。它由推进系统产生。

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系统氦泄漏原因。

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

热防护系统，所有推进系统都很有必要，真是人类工程学上一个奇迹。

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

电力推进系统非常简单，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系统。

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

另一个创造性推进系统是 EmDrive，也被称为 Impossible Drive。

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

Star Chip 采用光动力推进系统，速度可达每秒 37,000 英里。

By 2022, 77% of the buses on China's roads had some kind of electric propulsion system.

到2022年，中国道路上77%公共汽车都配备了某种电动推进系统。

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问题，或推进系统改良可以缩短到火星航程。

Using this propulsion system, a trip to Mars would take one month instead of seven months using other methods.

使用这种推进系统，火星之旅将需要一个月时间，而不是使用其他方法七个月。

This marvel of engineering was equipped with advanced propulsion systems, capable of defying the dynamics of space motion.

这艘工程奇蹟配备了先进推进系统, 能够挑战太运动动力学。

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，但其创新推进系统可能会为下个世纪星际旅行奠定基础。

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

或者地球上是否有一个国家现了公众不知道先进推进系统？

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，因此航航天工程师已经将另一种推进系统理论化，用反物质推进器代替核反应堆。