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In this paper,the characteristics of tripropellant rocket engine was studied in two different ways:experiment and simulation .

本文从实验、仿真面对三组元液体箭发动机推力室过程进行了研究。

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MOPP, mopper, moppet, moppie, moppy, Mops, mopstick, MOPTAR, MOPTARS, Mopti,

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3G, 401(K), a,

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连线杂志

It's predicted to have about 33 of these rocket engines.

预计将有大约 33 个这样的火箭发动机。

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CNN 精选 20163月合集

It's not new. NASA's RS-25 rocket engine has been around since the 1970s.

这不是什么新鲜事物。NASA的RS-25火箭引擎在20世纪70代就已经出现。

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CRI在线 20224月合集

Russia has delivered more than 120 rocket engines to the U.S. over the past 20-plus years.

在过去的20多里,俄罗斯向美国交付了120多个火箭发动机。

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当月 VOA Special English

Specific impulse is a method for measuring – in seconds –thrust and efficiency levels of rocket engines.

比冲是一种以秒为单位测量火箭发动机推和效率水平的方法。

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CNN 20201月合集

But experts looking at satellite imagery say that they believe that it was a rocket engine test.

但关注卫星图像的专家表示,们认为朝鲜进行的是火箭发动机试验。

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VOA慢速英语_美国

A carrier aircraft carries it high into the atmosphere and releases it before its rocket engine fires.

航空母舰将其高空带入大气层,并在火箭发动机点火之前将其释放。

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图形信

They'll learn things such as how the rocket engine propels the craft and how insulation regulates equipment temperature.

们还会学习诸如火箭发动机如何推动飞船,以及绝缘材料如何调节设备温度等知识。

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Newsweek

The lander design concept incorporates next-generation parachutes and 12 rocket engines to slow the lander down as it descends.

这款着陆器设计概念融入了下一代降落伞和 12 台火箭引擎,以在下降过程中减缓着陆器的速度。

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CRI在线 20223月合集

Russia has delivered more than 120 rocket engines to the U.S. over the past 20 years plus.

过去 20 多里,俄罗斯已经向美国交付了 120 多个火箭发动机。

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CRI在线 20203月合集

China has completed an important test of the rocket engine that will be used in its first Mars mission.

中国已完成火箭发动机的重要测试,该火箭发动机将用于首次火星任务。

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TED演讲(视频版)双语精选

I felt every single bit of the controlled fury of those rocket engines as they blasted us off the Earth.

我感受到火箭发动机轰鸣,燃料爆发巨大能量,带着我们冲离地球。

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VOA Special 20188月合集

A Russian teacher of that time, Konstantin Tsiolkovsky, decided that a rocket engine could provide power for a space vehicle.

当时,俄罗斯一位老师——康斯坦丁·齐奥尔科夫斯基认为,火箭发动机可以为太空飞行器提供动

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CRI在线 20223月合集

Russian state space agency Roscosmos also says it will stop servicing rocket engines it had previously delivered to the U.S.

俄罗斯国家航天局还表示,将停止向此前交付美国的火箭发动机提供服务。

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VOA Special 20187月合集

The parts include a rocket engine test stand used to develop liquid-fuel engines.

这些部件包括用于开发液体燃料发动机的火箭发动机试验台。

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CNN 精选 20162月合集

The fundamental problem is that a state of the art rocket engine, its performance in terms of its fuel consumption is too high.

最根本的问题是一台最先进的火箭发动机, 其燃料消耗太高。

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VOA Special 20229月合集

NASA said on its website that the problem was linked to difficulties cooling the rocket's main engines to the needed temperature for liftoff.

美国航空航天局在其网站上表示,这个问题与难以将火箭主引擎冷却到发射所需的温度有关。

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TED演讲(视频版) 201911月合集

Now, the electric turbo pump cycle is a totally different way to pump the pellets into the rocket engine.

现在,电动涡轮泵循环是一种将颗粒泵入火箭发动机的完全不同的方式。

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TED演讲(视频版) 201911月合集

So, we needed to come up with a whole new process and a whole new cycle for the rocket engine.

因此,我们需要为火箭发动机提出一个全新的流程和一个全新的循环。

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VOA慢速英语_美国

The structure is meant to protect the concrete pad, the rocket's support structure, from being damaged from the heat and force of the rocket's engines.

这个结构是为了保护火箭的支撑结构——混凝土发射台,避免被火箭发动机的热量和能量损坏。

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CRI在线 20223月合集

Russian media reported that Moscow has decided to stop supplying rocket engines to the United States in retaliation for the sanctions imposed against Russia over Ukraine.

据俄罗斯媒体报道,莫斯科决定停止对美国供应火箭发动机,回应美国因乌克兰问题对俄罗斯实施的制裁。

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Morayshire, morazone, morbid, morbidezza, morbidity, morbidly, morbidness, morbific, morbifical, morbigenous,

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3G, 401(K), a,
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