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Piezoelectricity type supersonic generator works actually using the resonance of piezocrystal.

压电式超声波发生器实际上是利用压电晶体谐振来工作

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On condition that the front body shape of the projectile is unchangeable,a formula is obtained for determining the relation between the optimum boattail angle and the supersonic flight region.

在弹丸前体外形和外大气密度不变条件下,提出了利用弹丸赫数和顶点赫数确定旋转弹丸最佳尾锥角方法。

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The results show that the unstart boundary of supersonic inlets is mainly concerned with Mach number of freestream without considering the variation of angle of attack.

在不考虑攻角变化条件下,进气道不起主要与来流赫数有关。

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The showcase, by running a small train, displays Doppler speed testing, materials detection, noise monitoring, supersonic distance testing, track weighing, and photoreader, etc.

该展台用一个小火车运行来展示多普勒测速、材料探测、噪声检测、超声测距、轨道称重秤、光电计次等等。

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In gasdynamics and chemical lasers, the supersonic diffuser plays an important role in the pressure recovery system.

在气和化学强激光器系统研制中,压力恢复系统扩压器设计技术研究具有重要工程应用价值。

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Shell Aviation specially developed AeroShell Turbine Oil 555 lubricant for Rolls Royce for use in supersonic transport.

这种航空润滑油是壳牌航空为罗尔斯·罗易斯公司生产超音速飞机发机专门研制

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These planes travel at supersonic speeds.

这些飞机以超音速速度飞行。

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经济学人(汇总)

New supersonic business jets under development will make that a lot worse.

正在开发新型超音速商务喷气机将使情况变得更糟。

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埃隆·马斯克访谈合集

I mean, I've got an entire design for an electric supersonic vertical takeoff jet.

意思是,我有一个电动超音速垂直起飞喷气机完整设计。

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CNN 10 学生英语 2019年3月合集

The result of all this innovation was a plane that went into service in 1976 could five miles higher and 800 miles per hour faster than the competition but supersonic speed was anything but super cheap.

所有这些创新结果是,1976年投入使用飞机比竞飞机高出5英里,时速快出800英里,但是超音速一点也不便宜。

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BBC 听力 2019年5月合集

The Tornado can fly at supersonic speed. That's faster than the speed of sound.

“龙卷风”战机可以在超音速下飞行。这表示它飞行速度要比音速快。

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当月 CNN 10 学生英语 2021年3月合集

It hasn't been built yet but if and when that happens its makers say it could carry as many as 50 passengers at supersonic speeds by the end of the decade.

这款飞机目前还没有投产,但如果真建成话,其制造商表示,2020年,这款飞机将以超音速搭载50名乘客。

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CNN 10 学生英语 2023年3月合集

On board the airplane, expect a large spacious interior and beautiful large windows it's a supersonic airplane actually flies higher you'll be able to see the skies a deeper blue actually see the curvature of the earth.

你乘坐飞机时,期待着宽敞内部空间和漂亮大窗户,超音速客机实际上飞得更高,你将能够颜色更深蓝色天空,实际上还能曲度。

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CNN 10 学生英语 2018年11月合集

At least your landing didn't require a heat shield to withstand 3,000 degree temperatures and a supersonic parachute to slow down.

至少你着陆不需要隔热罩来抵挡3000度高温,也不需要一个超音速降落伞来减速。

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CNN 10 学生英语 2023年2月合集

From supersonic planes to hyperloop pods, what may seem like a pipe dream today could be the future of transit as early as three decades from now.

今天来像白日梦一样事情可能在30年后就会成为真实存在。

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BBC 听力 2018年3月合集

These he claimed included a nuclear-powered supersonic misille which would carry a small nuclear warhead.

包括一种核动力超音速导弹,可以携带一枚小型核弹头。

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CNN 10 学生英语 2024年1月合集

Next, we're looking at how NASA is aiming to take commercial travel to supersonic speeds.

接下来,让我们了解一下美国国家航空航天局是如何致力于将商业旅行速度提升超音速吧。

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BBC 听力 2023年6月合集

In a statement, US defense officials said their planes had been travelling at supersonic speeds.

在一份声明中,美国国防部官员表示,他们飞机一直在以超音速飞行。

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Sprouts 动画知识库

A more famous example of the fallacy is the Concorde - the supersonic passenger plane.

一个更著名谬误例子是协和式超音速客机。

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China Daily 中国日报 最新合辑

When a critter gets too close, it's warded off with a harmless supersonic wave.

当一个动物靠得太近,这种数字稻草人就会发射无害超声波来驱赶动物。

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16天记住7000考研词汇

711. The superstitious man put the priority on the superficial supersonic superiority.

迷信人将优先权放肤浅超级(超声波自尊(优势)上。

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CNN 10 学生英语 2022年10月合集

He was on top of the world, an unbelievable 135,000 feet, that's four and a half Mount Everest high, and he became the first person ever to skydive at a supersonic speed.

他站在世界之巅,令人难以置信13万5千英尺高,相当于珠穆朗玛峰4.5倍,他成为第一个以超音速跳伞人。

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Crash Course 写作篇

She makes some extra cash by calling herself " Dr. Hannah" on commercials and selling wheatgrass and spinach capsules that claim to give you supersonic hearing.

她在广告中称自己为“汉娜医生”,并出售声称能给你超音速听力小麦草和菠菜胶囊,从而赚了一些额外钱。

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现代大学英语精读(第2版)第四册

In two or three years it will be possible, because of the new supersonic jets, to fly from New York to London in two and one-half hours.

再过两三年,由于 新超音速喷气式飞机发明,从纽约飞伦敦有可能只用两个半小时。

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VOA慢速英语_科技

" That's more than enough to counter gravity – in fact, it's enough to launch them upwards into space at supersonic speeds, " Glocer said.

“这足以抗重力——事实上,足以将它们以超音速发射太空。”

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CNN 10 学生英语 2024年3月合集

So disruptive that in 1973, the United States government, along with much of the world banned all civilian aircraft from supersonic flight over land.

其破坏性之大,以至于1973年,美国政府,和世界上许多国家都禁止所有民用飞机在陆上空进行超音速飞行。

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Kurzgesagt 科普动画(双语精选)

Rocks crack under the pressure, until they finally give way and billions of tons of gas and ash blast out at supersonic speed.

岩石在压力下崩裂,直它们最终让路,使数十亿吨气体与火山灰以超音速炸出。

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