transit instrument

简明释义

经纬仪

英英释义

例句

1.The transit instrument is essential for ensuring precision in land surveying.

在土地测量中，经纬仪对于确保精确性至关重要。

2.Using a transit instrument can significantly reduce errors in topographic surveys.

使用经纬仪可以显著减少地形测量中的误差。

3.The surveyor used a transit instrument to measure the angles and distances on the construction site.

测量员使用经纬仪来测量建筑工地上的角度和距离。

4.He adjusted the transit instrument to align with the reference point before taking the measurements.

在进行测量之前，他调整了经纬仪以与参考点对齐。

5.With the help of a transit instrument, we were able to create an accurate map of the area.

借助经纬仪，我们能够制作出该地区的准确地图。

作文

In the realm of astronomy and navigation, the term transit instrument refers to a specialized device used for measuring the positions of celestial bodies. This instrument plays a crucial role in determining time and location by observing the transit of stars and other astronomical objects across the sky. The transit instrument is typically mounted on a precise axis and allows astronomers to track the movement of celestial objects with remarkable accuracy. Historically, the development of the transit instrument marked a significant advancement in the field of astronomy. Before its invention, astronomers relied on less accurate methods for tracking celestial movements, which often led to errors in calculations. The introduction of the transit instrument provided a more reliable means of observation, enabling astronomers to make more precise measurements of celestial events. This was particularly important for navigation, as accurate timekeeping and positioning were essential for successful sea voyages. One of the most notable features of the transit instrument is its ability to measure the time it takes for a star to cross a specific meridian. This measurement is crucial for determining the local time at a given location, which is vital for both astronomical observations and navigation. By knowing the exact time of a star's transit, astronomers can calculate the longitude of their position on Earth. This capability was especially important during the Age of Exploration when sailors needed to navigate uncharted waters. The transit instrument consists of several key components, including a telescope, a horizontal axis, and a vernier scale for precise measurements. The telescope is aligned with the celestial object being observed, allowing astronomers to pinpoint its position in the sky. The horizontal axis enables the instrument to rotate smoothly, ensuring accurate tracking of the object's movement. Additionally, the vernier scale provides a means of reading measurements with great precision, which is essential for scientific accuracy. In modern times, the transit instrument has evolved into more sophisticated devices, such as electronic theodolites and digital tracking systems. However, the fundamental principles behind the transit instrument remain the same. These advancements have allowed for even greater accuracy in astronomical observations and have paved the way for new discoveries in our understanding of the universe. In conclusion, the transit instrument is an indispensable tool in the fields of astronomy and navigation. Its ability to accurately measure the positions of celestial bodies has greatly enhanced our understanding of the cosmos and improved our navigational capabilities. As technology continues to advance, the legacy of the transit instrument lives on, reminding us of the importance of precision in scientific inquiry and exploration. The journey of discovery that began with this simple yet powerful instrument continues to inspire future generations of astronomers and navigators alike.

在天文学和导航领域，术语transit instrument指的是一种专门用于测量天体位置的设备。该仪器在通过观察星星和其他天文物体穿过天空的过程来确定时间和位置方面发挥着至关重要的作用。transit instrument通常安装在一个精确的轴上，使天文学家能够以惊人的准确性跟踪天体的运动。历史上，transit instrument的发展标志着天文学领域的重要进步。在它发明之前，天文学家依赖于较不准确的方法来跟踪天体运动，这常常导致计算中的错误。transit instrument的引入提供了一种更可靠的观察手段，使天文学家能够进行更精确的天文事件测量。这对于导航尤其重要，因为准确的计时和定位对成功的海上航行至关重要。transit instrument最显著的特点之一是其测量星星穿越特定子午线所需时间的能力。这一测量对于确定给定位置的当地时间至关重要，这对天文观察和导航都是必不可少的。通过知道星星穿越的确切时间，天文学家可以计算他们在地球上的经度。这一能力在探索时代尤为重要，当时水手们需要在未知水域中导航。transit instrument由几个关键组件组成，包括望远镜、水平轴和用于精确测量的游标尺。望远镜与正在观察的天体对齐，使天文学家能够准确定位其在天空中的位置。水平轴使仪器能够平稳旋转，确保准确跟踪物体的运动。此外，游标尺提供了读取测量值的手段，这对于科学准确性至关重要。在现代，transit instrument已经发展成为更复杂的设备，如电子经纬仪和数字跟踪系统。然而，transit instrument背后的基本原理仍然相同。这些进步使天文观察的准确性得到了更大的提升，并为我们对宇宙的新发现铺平了道路。总之，transit instrument是天文学和导航领域不可或缺的工具。它准确测量天体位置的能力极大地增强了我们对宇宙的理解，并改善了我们的导航能力。随着技术的不断进步，transit instrument的遗产仍在继续，提醒我们科学探究和探索中精确的重要性。始于这一简单而强大的仪器的发现之旅继续激励着未来几代天文学家和导航员。