The technological conscience of this effort is the jet propulsion laboratory's chief engineer, Gentry Lee.

技术方面的成就来自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和推进的讲座？

And hopefully we'll have new kinds of propulsion coming along as well.

希望我们也会有新的推进器出现。

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

爆竹是，为它有一个推进统。

We'd have to design new propulsion, navigation, hibernation and life support systems.

我们须设计新的推进，导航，冬眠和生命支持统。

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

NASA希望有更多的时间来检查星际客机推进统的问题。

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

“星际客机”的推进统是NASA所称的“服务舱”的一部分。

The American space agency NASA describes Goddard as " the father of modern rocket propulsion."

国宇航局NASA称戈达德为“现代推进之父”。

Bruce Banerdt, a planetary geophysicist at the Jet Propulsion Lab in California.

加州喷气推进实验室的行星地球物理家布鲁斯·巴纳特说到。

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

据说这艘潜艇的核推进统没有受到影响。

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来的。

Interesting side note, this is actually how the Jet Propulsion Lab was founded.

趣味附注喷气推进实验室就是这么建立的。

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。

We currently have nuclear propulsion systems.

我们目前拥有核推进统。

SCOTT MORRISON, PRIME MINISTER OF AUSTRALIA: To stress again, this is about propulsion.

再次强调，这些武器都是动力驱动发面的。

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出一種模型每边只有几公分宽。

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。

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出了两台探测飞船，到星的表面去。

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的力。它由推进统产生。

NASA and Boeing spent weeks attempting to pinpoint the cause of the propulsion issues and gas leaks without success.

NASA和波音公司花了数周时间试图查明推进问题和气体泄漏的原，但没有成功。