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。”

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。

So first off, Mach 6.7 means that's 6.7 times the speed of sound.

首先，6.7 马赫意味着音速的 6.7 倍。

One way to create these pulses is with a Mach-Zehnder modulator.

产生这些脉冲的种方法是使用Mach-Zehnder 调制器。

Maintain Mach decimal 82, transition speed 310 knots.

256. 保持马赫数点82，转换速度310节。

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

福特正在展示款新的全电动马赫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。

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。

The Mach-Zehnder modulator does something similar.

Mach-Zehnder调制器也做了类似的事情。

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。

Radar control is resumed, track direct to BKM VOR and increase speed to Mach number decimal 84.

428. 雷达管制恢复，直飞BKM VOR台，增速到马赫数点84。

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

这是种飞行速度超过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。

Radar service is terminated due technical failure. Maintain Mach number decimal 81 or less for separation.

426. 由于技术故障雷达服务终止。因间隔，保持马赫数点81或更小。

Climb to and maintain FL310. Maintain Mach number decimal 81 or greater until BKM VOR.

383. 上升并保持高度310。BKM VOR台前保持马赫数点81或更大。

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。

" 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？”

Descend to and maintain FL 270. Do not exceed Mach number decimal 79.

384. 下降并保持高度270。不要超出马赫数点79。

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

仍然，马赫号或声速不是客机所达到的，至少不再如此。

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

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