booster rocket

简明释义

助推器

英英释义

例句

1.Once the fuel in the booster rocket is depleted, it will detach from the main stage.

一旦助推火箭中的燃料耗尽，它将与主级分离。

2.After the booster rocket ignited, the spacecraft began its ascent into space.

在助推火箭点火后，航天器开始向太空上升。

3.The mission was successful thanks to the reliable performance of the booster rocket.

由于助推火箭的可靠表现，任务成功完成。

4.Engineers designed the booster rocket to provide additional thrust during liftoff.

工程师设计了助推火箭以在起飞时提供额外的推力。

5.The launch vehicle uses a powerful booster rocket to escape Earth's gravity.

发射载具使用强大的助推火箭来逃离地球的引力。

作文

The concept of a booster rocket is integral to modern space exploration. A booster rocket is a type of rocket that provides the initial thrust needed to propel a spacecraft into orbit. These rockets are crucial during the early stages of a launch, as they help overcome the Earth's gravitational pull. In essence, a booster rocket acts as a powerful engine that ignites and expels fuel at high speeds, creating a force strong enough to lift heavy payloads into the sky.Historically, the development of booster rockets has been a significant milestone in aerospace engineering. The first successful use of a booster rocket can be traced back to the mid-20th century during the space race between the United States and the Soviet Union. Rockets like the Saturn V, which was used in the Apollo missions, featured multiple stages, with the first stage being a massive booster rocket that lifted the spacecraft off the ground.The design of a booster rocket typically involves multiple engines that work in unison to generate maximum thrust. Engineers must consider various factors, including the weight of the payload, the desired altitude, and the specific mission objectives. For instance, when launching a satellite into orbit, the booster rocket must provide enough energy to reach a speed of approximately 28,000 kilometers per hour (about 17,500 miles per hour) to achieve low Earth orbit.Moreover, the technology behind booster rockets has evolved significantly over the years. Early models relied on solid fuel, while modern rockets often utilize liquid fuel for better efficiency and control. This transition has allowed for more precise launches and has paved the way for reusable booster rockets, such as those developed by SpaceX. The Falcon 9 rocket, for example, features a first stage that can return to Earth and land vertically after its mission, drastically reducing the cost of space travel.The role of booster rockets is not limited to launching satellites or crewed missions; they are also essential in scientific explorations. For example, when sending probes to distant planets or asteroids, a booster rocket is necessary to escape Earth's atmosphere and begin the long journey through space. These missions often require precise calculations and timing, as the trajectory must be carefully planned to ensure the spacecraft reaches its destination.In conclusion, the booster rocket is a vital component of space exploration, enabling humanity to explore beyond our planet. Its evolution from simple designs to sophisticated, reusable systems illustrates the advancements in technology and engineering. As we continue to push the boundaries of space travel, booster rockets will remain at the forefront of our efforts to unlock the mysteries of the universe. Understanding the significance of a booster rocket helps us appreciate the complexities involved in sending humans and machines into space, highlighting the ingenuity and determination of those who dare to dream beyond the stars.

“助推火箭”的概念是现代太空探索的重要组成部分。助推火箭是一种提供初始推力的火箭，帮助航天器进入轨道。这些火箭在发射的早期阶段至关重要，因为它们帮助克服地球的引力。实际上，助推火箭充当强大的引擎，点燃并高速排放燃料，产生足够强大的力量将重型有效载荷送入天空。历史上，助推火箭的发展是航空航天工程中的一个重大里程碑。成功使用助推火箭的首个实例可以追溯到20世纪中叶，当时美国和苏联之间的太空竞赛如火如荼。像阿波罗任务中使用的土星五号火箭就具有多个级别，其中第一级是一个巨大的助推火箭，将航天器从地面升起。助推火箭的设计通常涉及多个引擎协同工作，以产生最大推力。工程师必须考虑各种因素，包括有效载荷的重量、所需高度和特定的任务目标。例如，在将卫星送入轨道时，助推火箭必须提供足够的能量，以达到大约28,000公里每小时（约17,500英里每小时）的速度，以实现低地球轨道。此外，助推火箭背后的技术在这些年中发生了显著变化。早期型号依赖于固体燃料，而现代火箭则通常利用液体燃料，以获得更好的效率和控制。这一转变使得发射更加精确，并为可重复使用的助推火箭铺平了道路，例如SpaceX开发的火箭。以猎鹰9号火箭为例，它的第一级可以在任务完成后返回地球并垂直着陆，从而大幅降低太空旅行的成本。助推火箭的作用不仅限于发射卫星或载人任务；它们在科学探索中也至关重要。例如，当向遥远的行星或小行星发送探测器时，助推火箭是逃离地球大气层并开始漫长太空之旅所必需的。这些任务通常需要精确的计算和时机，因为轨迹必须经过仔细规划，以确保航天器能够到达目的地。总之，助推火箭是太空探索的关键组成部分，使人类能够探索我们星球之外的世界。从简单设计到复杂的可重复使用系统的演变，展示了技术和工程的进步。随着我们继续推动太空旅行的边界，助推火箭将始终处于我们揭开宇宙奥秘的努力的前沿。理解助推火箭的重要性有助于我们欣赏将人类和机器送入太空所涉及的复杂性，突显出那些敢于梦想超越星星的人们的聪明才智和决心。