However, a problem happened in the rocket's second stage.
然而,火箭的第二级发动机出现了问题。
单词 | Rocket stage |
释义 |
Rocket stage
原声例句
VOA Special 2023年3月合集 However, a problem happened in the rocket's second stage. 然而,火箭的第二级发动机出现了问题。 VOA常速英语_科技 Once testing of these rocket stages is complete here at the Marshall Space Flight Center. 一旦这些火箭级的测试在马歇尔航天飞行中心完成。 CRI在线 2023年6月合集 Local media say North Korea's satellite launch failed after the rocket's second stage malfunctioned. 当地媒体称,朝鲜的卫星发射失败是因为火箭第二阶段发生故障。 CNN 10 学生英语 2018年9月合集 Manmade objects including everything from used rocket stages and satellite parts to tiny flecks of paint. 它们都是人造物,既有废弃的火箭推进器、卫星部件,也有油漆碎片。 CNN 10 学生英语 2022年2月合集 The rocket stage is expected to be completely destroyed and to make a crater anywhere from 30 to 65 feet wide. 这节火箭预计将完全撞毁,并在它所撞击的地方留下一个30到65英尺宽的大坑。 CNN 10 学生英语 2017年2月合集 The trash comes from explosions, spacecraft collisions and expendable rocket stages. 垃圾来自爆炸、航天器碰撞和消耗性火箭级。 双语版 TED-Ed 演讲精选 Its three rocket stages accelerated New Horizons to such great speeds that it crossed the 400,000 kilometers to the moon in just nine hours. 它的三个火箭阶段能够把新视野号加速到足够的速度,以在九小时内抵达400000 公里之外的月球。 奇趣工程百科 The alternative NASA had was to transport rocket stages across the Panama Canal, although this often required an additional few weeks or months. 美国宇航局的替代方案是通过巴拿马运河运输火箭级,尽管这通常需要额外的几周或几个月的时间。
中文百科
多节火箭 Multistage rocket(重定向自Rocket stage)
![]() ![]() ![]() ![]() 多节火箭是一种使用了两节或更多节的火箭,每节火箭皆搭载了自有的火箭发动机及推进剂。堆叠分节的方式将一节装载在数节之上;平行分节的方式则将一节装载在其它节的旁边。使得二或更多个火箭互相堆叠或放置于其它火箭的旁边"。结合起来的火箭称为运载火箭。两节式火箭相当常见,但最多也曾有五节式火箭成功发射。 火箭的重量因抛弃烧完推进剂的分节而减少。这样的分节技术使剩余分节的推力能更轻易地加速火箭至最终速度与高度。 在堆叠分节方式中,第一节火箭放在最下面而且通常是最大的,第二节装载其上且通常是第二大。其余部位则置于更上面。在平行分节方式中,固态火箭推进器或液态火箭推进器被用来升空。它们有时候会被称为「第0节」。在一般情况下,第一节及推进发动机点火向上推进整个火箭。当推进器用光燃料,就从火箭上分离(通常借由一点炸药)并掉落。第一节接着点火完成进程也接着分离。接下来位于火箭底部的第二节火箭跟着点火。这个进程不断重复直到最后一节的发动机燃烧完毕。
英语百科
Multistage rocket 多节火箭(重定向自Rocket stage)
![]() ![]() ![]() ![]() A multistage (or multi-stage) rocket is a rocket that uses two or more stages, each of which contains its own engines and propellant. A tandem or serial stage is mounted on top of another stage; a parallel stage is attached alongside another stage. The result is effectively two or more rockets stacked on top of or attached next to each other. Taken together these are sometimes called a launch vehicle. Two-stage rockets are quite common, but rockets with as many as five separate stages have been successfully launched. By jettisoning stages when they run out of propellant, the mass of the remaining rocket is decreased. This staging allows the thrust of the remaining stages to more easily accelerate the rocket to its final speed and height. |
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