near approach

简明释义

驶近

英英释义

例句

1.The spacecraft made a near approach to the asteroid, allowing scientists to gather valuable data.

这艘航天器对小行星进行了近距离接触，使科学家能够收集宝贵的数据。

2.Engineers are monitoring the near approach of the drone to avoid any collisions.

工程师正在监测无人机的近距离接触以避免任何碰撞。

3.The near approach of the two planets was a rare astronomical event that attracted many observers.

两颗行星的近距离接触是一次罕见的天文事件，吸引了许多观察者。

4.The team prepared for the near approach of the satellite to ensure successful communication.

团队为卫星的近距离接触做好准备，以确保成功通信。

5.During the near approach of the comet, the sky was illuminated with beautiful colors.

在彗星的近距离接触期间，天空被美丽的色彩照亮。

作文

In the realm of science and exploration, the concept of a near approach is often discussed, particularly in the context of celestial bodies. A near approach refers to the moment when one object comes close to another without making contact. This phenomenon can be observed with planets, asteroids, and comets as they traverse the vastness of space. Understanding these near approaches is crucial for astronomers and scientists alike, as they can provide valuable data about the trajectory, composition, and potential risks posed by these objects. For instance, when an asteroid makes a near approach to Earth, it becomes a subject of intense study to determine its size, speed, and possible impact trajectory.The significance of near approaches extends beyond mere observation; they also serve as opportunities for technological advancement. Space agencies around the world, such as NASA and ESA, often plan missions that take advantage of these near approaches. By sending spacecraft to observe these celestial objects during their closest encounters, scientists can gather information that would be impossible to obtain otherwise. For example, the recent mission to study the asteroid Bennu involved careful planning to ensure the spacecraft would be in the right position during its near approach to collect samples and analyze the asteroid's surface.Moreover, near approaches can sometimes pose a threat to our planet. The potential for an asteroid or comet to collide with Earth is a genuine concern, and monitoring these near approaches is essential for planetary defense strategies. Organizations such as NASA's Near-Earth Object Program work diligently to track the paths of these objects and predict their future movements. When a near approach is detected, scientists assess the risk level and develop contingency plans if necessary. The goal is to ensure that we are prepared for any potential threats from space, demonstrating the importance of understanding these cosmic events.In addition to their scientific implications, near approaches also capture the imagination of the public. Events like meteor showers, which occur when Earth passes through the debris left by comets, are often linked to these near approaches. As people gaze up at the night sky, they are reminded of the vast universe and the many wonders it holds. This fascination can inspire future generations to pursue careers in science and technology, furthering our understanding of the cosmos.In conclusion, the term near approach encompasses a wide range of meanings and implications in the fields of astronomy and space exploration. Whether it involves studying celestial bodies, preparing for potential threats, or inspiring public interest, near approaches play a pivotal role in our understanding of the universe. As we continue to explore the unknown, the significance of these near approaches will undoubtedly grow, leading to new discoveries and advancements in science. It is essential for us to pay attention to these events, not only for their immediate implications but also for the broader understanding they provide about our place in the universe.

在科学和探索的领域，‘近距离接近’这一概念经常被讨论，特别是在天体的上下文中。‘近距离接近’指的是一个物体在不接触另一个物体的情况下接近另一个物体的时刻。这种现象可以在行星、小行星和彗星穿越浩瀚的太空时观察到。理解这些‘近距离接近’对天文学家和科学家来说至关重要，因为它们可以提供有关轨迹、成分和这些物体可能带来的风险的宝贵数据。例如，当小行星与地球发生‘近距离接近’时，它便成为了密切研究的对象，以确定其大小、速度和可能的撞击轨迹。‘近距离接近’的重要性超越了简单的观察；它们还为技术进步提供了机会。全球各地的航天机构，如NASA和ESA，通常会计划利用这些‘近距离接近’进行任务。通过在这些天体最接近相遇时发送宇宙飞船进行观察，科学家可以收集到在其他情况下无法获得的信息。例如，最近对小行星本努的研究任务涉及精心规划，以确保宇宙飞船在其‘近距离接近’期间处于正确的位置，以收集样本并分析小行星的表面。此外，‘近距离接近’有时可能对我们的星球构成威胁。小行星或彗星与地球碰撞的潜在可能性是一个真正的担忧，因此监测这些‘近距离接近’对于行星防御策略至关重要。像NASA的近地天体计划这样的组织努力追踪这些物体的路径并预测它们的未来运动。当检测到‘近距离接近’时，科学家会评估风险水平并在必要时制定应急计划。目标是确保我们为来自太空的任何潜在威胁做好准备，这显示了理解这些宇宙事件的重要性。除了科学意义外，‘近距离接近’也吸引了公众的想象力。当地球经过彗星留下的碎片时，发生的流星雨等事件通常与这些‘近距离接近’相关。当人们仰望夜空时，他们被浩瀚的宇宙及其所蕴含的许多奇观所提醒。这种迷恋可以激励未来几代人追求科学和技术职业，进一步推动我们对宇宙的理解。总之，‘近距离接近’这一术语在天文学和太空探索领域涵盖了广泛的意义和影响。无论是研究天体、准备应对潜在威胁，还是激发公众兴趣，‘近距离接近’在我们理解宇宙方面扮演着关键角色。随着我们继续探索未知，这些‘近距离接近’的意义无疑会增长，导致科学的新发现和进展。我们必须关注这些事件，不仅是因为它们的直接影响，还因为它们提供的关于我们在宇宙中位置的更广泛理解。