time to closest point of approach

简明释义

最近会遇时间

英英释义

例句

1.The traffic control center monitors the time to closest point of approach 最近接触点的时间 between vehicles on the highway.

交通控制中心监测高速公路上车辆之间的最近接触点的时间。

2.The software provides a warning when the time to closest point of approach 最近接触点的时间 is under five minutes.

该软件在最近接触点的时间少于五分钟时提供警告。

3.The radar system calculated the time to closest point of approach 最近接触点的时间 for the incoming aircraft.

雷达系统计算了来袭飞机的最近接触点的时间。

4.During the flight simulation, the pilot was informed of the time to closest point of approach 最近接触点的时间 to the other aircraft.

在飞行模拟中，飞行员被告知与另一架飞机的最近接触点的时间。

5.In maritime navigation, knowing the time to closest point of approach 最近接触点的时间 helps in avoiding collisions.

在海上导航中，了解最近接触点的时间有助于避免碰撞。

作文

In the field of astronomy and space exploration, understanding the dynamics of celestial bodies is crucial for predicting their movements and interactions. One important concept that arises in this context is the time to closest point of approach, which refers to the time remaining until two objects in space come as close to each other as they will during their trajectory. This term is particularly significant when monitoring asteroids or comets that may pose a threat to Earth, as well as for spacecraft navigating through the solar system.When calculating the time to closest point of approach, astronomers utilize mathematical models that take into account the velocities, trajectories, and gravitational influences of the objects involved. For example, if an asteroid is on a collision course with Earth, scientists will calculate how long it will take for the asteroid to reach its closest point to our planet. This information is vital for devising potential mitigation strategies, such as deflection missions or evacuation plans for affected areas.The time to closest point of approach can vary significantly depending on the relative speeds and paths of the objects involved. If two objects are moving towards each other at high velocities, the time to their closest approach will be shorter compared to objects moving slowly or in parallel paths. Additionally, gravitational forces from other celestial bodies can alter the trajectory of these objects, making real-time calculations essential for accurate predictions.For spacecraft, understanding the time to closest point of approach is equally important. When planning missions, engineers must consider the orbits of planets, moons, and other spacecraft to ensure safe passage and optimal fuel usage. By calculating the time to closest point of approach, mission planners can determine the best launch windows and trajectories to minimize travel time and avoid potential collisions.Moreover, the concept of time to closest point of approach is not limited to large celestial bodies. Even smaller objects, such as space debris, require careful monitoring. As the number of satellites and other man-made objects in orbit increases, the risk of collisions also rises. Space agencies around the world continuously track these objects and calculate their time to closest point of approach to prevent accidents that could endanger both crewed and uncrewed missions.In conclusion, the time to closest point of approach is a fundamental concept in astrophysics and space navigation. It plays a critical role in ensuring the safety of our planet and the success of space missions. By accurately predicting when objects will come closest to one another, scientists and engineers can devise effective strategies to mitigate risks and optimize space travel. As we continue to explore the cosmos, the importance of understanding this concept will only grow, highlighting the need for ongoing research and technological advancements in the field of space science.

在天文学和太空探索领域，理解天体的动态对于预测它们的运动和相互作用至关重要。在这个背景下，一个重要的概念是最近接近点的时间，它指的是两个太空物体在其轨迹中将彼此靠近的时间。这一术语在监测可能对地球构成威胁的小行星或彗星时尤为重要，同时也适用于在太阳系中航行的航天器。在计算最近接近点的时间时，天文学家利用数学模型，考虑到涉及物体的速度、轨迹和引力影响。例如，如果一颗小行星正朝着地球的方向移动，科学家将计算这颗小行星到达与我们星球最近的点所需的时间。这些信息对于制定潜在的缓解策略至关重要，例如偏转任务或受影响区域的疏散计划。最近接近点的时间可能会因涉及物体的相对速度和路径而显著不同。如果两个物体以高速度相向而行，那么它们最近接近的时间将比慢速或平行路径的物体要短。此外，其他天体的引力也会改变这些物体的轨迹，因此实时计算对于准确预测至关重要。对于航天器而言，理解最近接近点的时间同样重要。在规划任务时，工程师必须考虑行星、卫星和其他航天器的轨道，以确保安全通行和最佳燃料使用。通过计算最近接近点的时间，任务规划者可以确定最佳的发射窗口和轨迹，以最小化旅行时间并避免潜在的碰撞。此外，最近接近点的时间的概念并不仅限于大型天体。即使是较小的物体，如太空垃圾，也需要仔细监测。随着轨道上卫星和其他人造物体数量的增加，碰撞的风险也在上升。全球各大航天机构持续追踪这些物体，并计算它们的最近接近点的时间以防止可能危及载人和无人任务的事故。总之，最近接近点的时间是天体物理学和太空导航中的基本概念。它在确保我们星球的安全和太空任务的成功中发挥着关键作用。通过准确预测物体何时会彼此靠近，科学家和工程师可以制定有效的策略来减轻风险并优化太空旅行。随着我们继续探索宇宙，理解这一概念的重要性只会增加，这突显了在太空科学领域进行持续研究和技术进步的必要性。