And we've had complete re-architecture of how jet engines work.

们已经对喷气发动机的工作方式进行了彻底的重新设计。

When it's at about 75, 80 decibels, I'd say a jet engine.

当达到75到80分贝时，觉得就像喷气发动机发出的噪音。

He spent his entire career designing rocket and jet engines.

他的整个职业生涯都奉献给了火箭及喷气发动机的设计。

Such testing also isn't a one-off burst of 250-decibel sound louder than a jet engine.

这样的爆炸分贝高达250，比喷气发动机更响，而且不是一次性的爆炸。

It has four jet engines and you have what's being called a " jet man suit" .

这套装备带有四个喷气发动机，有所谓的“飞行员服”。

For example, you try to make a jet engine.

比如，你试着去制造 一台喷气式发动机。

The objective is to develop fuel for ramjets, a type of engine that operates efficiently only above Mach 3.

目的是为冲压式喷气发动机(效率仅高于3马赫)开发燃料。

One will make jet engines, which GE reckons already power two-thirds of all commercial flights.

其中一家公司将生产喷气发动机，通用电气估计已经为三分之二的商业航班提供动力。

On Earth, we use it to coat jet-engine blades.

在地球上，们用它来涂抹喷气式发动机叶片。

It has its own oxygen and carbon dioxide systems, a cooling system, communication, has a jet pack.

它有自主氧气及二氧化碳，制冷及交流系统，还有喷气发动机组件。

Once the 1950s came around though, and people started figuring out how to put jet engines on their boats.

时间来到 20 世纪 50 年代，人们开始研究如何在船上安装喷气发动机。

Varvill and his colleagues are taking a unique approach, a hybrid rocket and jet engine, the SABRE.

瓦维尔和他的同事们正在尝试一种将火箭及喷气发动机混合的独特方法, 这就是SABRE。

Now, this idea of marginal gains will eventually get you a good jet engine.

这种边际增益的理念最终可以让你 做出一个很好的喷气式发动机。

And if that wasn't enough, Samsung also makes jet engines.

如果这还不够，三星还生产喷气发动机。

It was like standing next to a jet engine or something.

这就像站在喷气发动机或其他东西旁边。

There is a force that is being exerted on it by the jet engine.

喷气发动机对它施加了一个力。

Remember, it's a ramjet that needs air to gain speed.

请记住，它是冲压式喷气发动机，需要空气来获得速度。

Together, these dramatically improved the fuel efficiency and power-to-weight ratio of jet engines.

这些共同极大地提高了喷气发动机的燃油效率和功率重量比。

And it's near that airport that a major U.S. airline has just opened a massive facility where jet engines are tested.

就在机场附近，国一家主要航空公司刚刚开设了一个大型设施，用于测试喷气发动机。

(Laughter) So there must be people on this Earth that have been sucked into a jet engine twice.

（笑声）所以地球上一定有人被喷气发动机吸过两次。