The parachute will deploy nominally at about Mach 1.7.

降落伞名义上的展开速度约为1.7马赫。”

Ford is showing off a new all-electric Mach E SUV.

福特正在展示一款新的全电动马赫E SUV。

In 1947, there was no wind tunnel data beyond Mach 0.85.

1947年那时还没有风洞实验数据，只有0.85马赫这个数据。

You can't learn to fly at Mach 20 unless you fly.

你飞不了20马赫，除非你继续飞。

And in the second flight, three minutes of fully-controlled, aerodynamic flight at Mach 20.

第二次飞行是历时3分钟的全程操控，空气动力飞行的速度是20马赫。

They want this, what's called the mach stem, to have a wide area of destruction.

他们希望这种被称为马赫茎的东西能造成大面积的破坏。

Stephan von Mach, chief engineer of the battery train program says they'll enter service next year.

电池驱动列车项目的总工程师斯蒂芬·冯·马赫表示，它们将于明年投入使用。

That happened in December 1953, after a few flights approaching Mach 2, twice the speed of sound.

这发生在1953年12月，几次飞行接近2马赫，是音速的两倍。

This is a concept of a passenger plane that could travel faster than Mach IV, 3,800 miles per hour.

这是一种飞行速度超过4马赫的概念客机，时速3,800英里。

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。

" Your mach—" Peter was completely lost. " I don't know what you're talking about. I don't—what machine? "

“您的机——”彼得彻底糊涂了，“我不知道您在说什么。我不——什么机器？”

At Mach 20, we can fly from New York to Long Beach in 11 minutes and 20 seconds.

在20马赫的速度下，我们可以在11分钟20秒内。从纽约飞到长滩。

Still, mach I or the speed of sound is not something that`s reached by passenger planes, at least not anymore.

仍然，马赫一号或声速不是客机所达到的，至少不再如此。

Mach II, 1,350 miles per hour flying on it is said to have been extremely noisy and it was expensive.

据说它的飞行速度为1,350英里 / 小时，噪音极大，而且价格昂贵。

Some of the new electric vehicles that are expected to be popular include Ford's F-150 truck and Mustang Mach E.

预计将受到欢迎的一些新电动汽车包括福特的F-150卡车和Mustang Mach E。

Sometimes I think our minimum speed is Mach 3.

有时我认为我们的最低速度是 3 马赫。

It is also able to fly at speeds of up to Mach 1.8.

它还能够以高达 1. 8 马赫的速度飞行。

As they reached Mach 2 the sonic booms could be heard throughout the desert below.

当他们达到2马赫时， 整个沙漠都可以听到音爆。

It flew at Mach 2 - more than 1300 miles per hour — faster than the earth spins.

它以 2 马赫的速度飞行——超过每小时 1300 英里——比地球自转还快。

887. Unable to reduce speed below mach decimal 74. You can vector us if you'd like.

887. 无法将速度降低到十进制马赫 74 以下。如果您愿意，可以引导我们。