upper transit

简明释义

上中天

英英释义

例句

1.The logistics team ensured that the upper transit 上部过境 routes were optimized for efficiency.

物流团队确保upper transit 上部过境 路线得到了优化，以提高效率。

2.In astronomy, the upper transit 上部过境 of a planet occurs when it crosses the meridian.

在天文学中，行星的upper transit 上部过境 发生在它穿越子午线时。

3.During the meeting, we discussed the upper transit 上部过境 phase of the project timeline.

在会议中，我们讨论了项目时间表的upper transit 上部过境 阶段。

4.The engineer explained that the upper transit 上部过境 of the satellite was crucial for its orbit stability.

工程师解释说，卫星的upper transit 上部过境 对其轨道稳定性至关重要。

5.The upper transit 上部过境 of the aircraft was carefully monitored by the flight control team.

飞行控制团队仔细监测了飞机的upper transit 上部过境。

作文

In the field of astronomy, the term upper transit is often used to describe a specific position of celestial bodies as they traverse across the sky. Understanding this concept is essential for astronomers and stargazers alike, as it helps in predicting the visibility of various stars and planets. The upper transit occurs when a celestial object reaches its highest point in the sky, directly above an observer's location. This event is significant because it represents the moment when the object is most visible and can provide the best opportunity for observation. The importance of the upper transit can be appreciated in various contexts, such as navigation, timekeeping, and even in the development of calendars. For ancient civilizations, understanding the movements of celestial bodies was crucial for agricultural practices, allowing them to determine the right times for planting and harvesting crops. The upper transit of the sun, for instance, signals noon, which is vital for daily activities. Moreover, modern telescopes and observatories often schedule observations around the upper transit of celestial objects to maximize the quality of their data. During this time, atmospheric conditions are typically more favorable, allowing for clearer images and more accurate measurements. Astronomers may also use the upper transit to calculate the orbits of planets and other celestial bodies, enhancing our understanding of the universe. In addition, the upper transit can also have implications in the field of astrophysics. For example, when studying exoplanets, astronomers look for transits—when a planet passes in front of its host star from our perspective. The upper transit of these planets can provide critical information about their size, composition, and distance from their star. As technology advances, the tools available for observing the upper transit have improved significantly. Space telescopes such as Hubble and Kepler have revolutionized our ability to monitor celestial events with unprecedented precision. These advancements have led to numerous discoveries, including the identification of thousands of exoplanets and insights into the nature of dark matter and dark energy. In conclusion, the concept of upper transit is not just an astronomical term; it encompasses a wealth of knowledge that connects ancient practices with modern scientific inquiry. Whether for practical purposes in agriculture, navigation, or cutting-edge research in astrophysics, understanding the upper transit of celestial bodies remains a fundamental aspect of our relationship with the cosmos. As we continue to explore the universe, the significance of the upper transit will undoubtedly grow, leading to new discoveries and deeper insights into the workings of the heavens above us.

在天文学领域，术语upper transit通常用来描述天体在天空中穿越时的特定位置。理解这个概念对于天文学家和观星者来说至关重要，因为它有助于预测各种恒星和行星的可见性。upper transit发生在天体到达其在空中最高点时，正好位于观察者的头顶上。这一事件具有重要意义，因为它代表着天体最可见的时刻，并提供了观察的最佳机会。upper transit的重要性可以在多种背景下得到认可，例如导航、计时，甚至日历的发展。对于古代文明来说，理解天体的运动对农业实践至关重要，使他们能够确定播种和收获作物的正确时间。例如，太阳的upper transit标志着正午，这对日常活动至关重要。此外，现代望远镜和天文台通常会围绕天体的upper transit安排观察，以最大限度地提高数据的质量。在此期间，气象条件通常更为有利，从而允许更清晰的图像和更准确的测量。天文学家还可能利用upper transit计算行星和其他天体的轨道，从而增强我们对宇宙的理解。此外，upper transit在天体物理学领域也可能具有影响。例如，在研究系外行星时，天文学家寻找过境现象——当一颗行星从我们的视角经过其宿主恒星前面。观察这些行星的upper transit可以提供有关它们的大小、成分和与其恒星的距离的重要信息。随着技术的进步，观察upper transit的工具显著改善。诸如哈勃和开普勒这样的太空望远镜彻底改变了我们以空前精确度监测天文事件的能力。这些进展导致了众多发现，包括数千颗系外行星的识别以及对暗物质和暗能量性质的深入了解。总之，upper transit的概念不仅仅是一个天文学术语；它包含了丰富的知识，将古代实践与现代科学探究联系在一起。无论是出于农业、导航的实际目的，还是在天体物理学前沿研究中的尖端探索，理解天体的upper transit仍然是我们与宇宙关系的基本方面。随着我们继续探索宇宙，upper transit的重要性无疑会增长，带来新的发现和对我们头顶上天空运作的更深刻洞察。