transit circle

简明释义

子午仪

英英释义

例句

1.In the observatory, the transit circle was essential for making precise measurements.

在天文台，天文经纬仪对于进行精确测量至关重要。

2.The invention of the transit circle revolutionized the way astronomers conducted their observations.

天文经纬仪的发明彻底改变了天文学家进行观察的方式。

3.Many observatories around the world still utilize the transit circle for celestial navigation.

世界各地的许多天文台仍然利用天文经纬仪进行天体导航。

4.The historical significance of the transit circle cannot be overstated in the field of astronomy.

在天文学领域，天文经纬仪的历史意义不容小觑。

5.The astronomer used the transit circle to observe the stars' positions accurately.

天文学家使用天文经纬仪来准确观察星星的位置。

作文

The history of astronomy is filled with various instruments that have significantly advanced our understanding of the universe. One such instrument is the transit circle, which has played a crucial role in the precise measurement of time and the positioning of celestial bodies. A transit circle is an astronomical instrument used to measure the transit of stars across the meridian, allowing astronomers to determine their right ascension and declination accurately. This device consists of a telescope mounted on a circular base, which can be rotated in a horizontal plane. The significance of the transit circle in the field of astronomy cannot be overstated, as it was essential for the development of modern navigation and timekeeping.In the 18th and 19th centuries, the transit circle became a standard tool in observatories around the world. Astronomers utilized this instrument to make precise observations of celestial events, contributing to the establishment of accurate star catalogs. These catalogs were vital for navigators at sea, who relied on them to determine their positions based on the stars. The ability to calculate longitude and latitude accurately was a game changer for maritime exploration and trade.Moreover, the transit circle was instrumental in the determination of the Earth's rotation. By observing the transits of stars, astronomers could measure the time it took for the Earth to complete one rotation. This information was crucial for understanding the concept of Universal Time, which is still used today. The precision of the transit circle allowed for the synchronization of clocks across different regions, facilitating communication and transportation in an increasingly interconnected world.Despite the advent of more advanced technologies, such as electronic telescopes and satellite systems, the legacy of the transit circle endures. It laid the groundwork for modern astronomical practices and remains a symbol of the meticulous nature of scientific inquiry. The principles behind the transit circle continue to inform contemporary methods of observation, proving that sometimes the simplest tools can yield the most profound insights.In conclusion, the transit circle represents a pivotal moment in the history of astronomy. Its ability to accurately measure celestial transits transformed our understanding of the universe and had far-reaching implications for navigation and timekeeping. As we look to the future of astronomical research, it is essential to acknowledge the contributions of instruments like the transit circle, which have paved the way for the discoveries that continue to shape our understanding of the cosmos. The legacy of the transit circle is a testament to human ingenuity and the relentless pursuit of knowledge, reminding us that every advancement builds upon the foundations laid by those who came before us.

天文学的历史充满了各种仪器，这些仪器显著推动了我们对宇宙的理解。其中一个重要的仪器是天顶圈，它在精确测量时间和天体定位方面发挥了关键作用。天顶圈是一种天文仪器，用于测量星星穿过子午线的过程，使天文学家能够准确地确定它们的赤经和赤纬。该设备由一个安装在圆形底座上的望远镜组成，能够在水平面内旋转。天顶圈在天文学领域的重要性不容小觑，因为它对于现代导航和计时的发展至关重要。在18世纪和19世纪，天顶圈成为世界各地天文台的标准工具。天文学家利用这一仪器进行精确的天体观测，为建立准确的星表做出了贡献。这些星表对海上的航海者至关重要，他们依靠这些星表根据星星确定自己的位置。准确计算经度和纬度是海洋探索和贸易的重大变革。此外，天顶圈在确定地球自转方面也发挥了重要作用。通过观察星星的经过，天文学家可以测量地球完成一次自转所需的时间。这些信息对于理解世界时的概念至关重要，世界时至今仍在使用。天顶圈的精确性使得不同地区的时钟能够同步，有助于在日益互联的世界中促进交流和交通。尽管先进技术如电子望远镜和卫星系统的出现，但天顶圈的遗产依然存在。它为现代天文实践奠定了基础，并且仍然是科学探究严谨性的象征。天顶圈背后的原理继续影响当代的观测方法，证明有时最简单的工具能够带来最深刻的见解。总之，天顶圈代表了天文学历史上的一个关键时刻。它能够准确测量天体的经过，改变了我们对宇宙的理解，并对导航和计时产生了深远的影响。当我们展望天文研究的未来时，承认像天顶圈这样的仪器所做出的贡献至关重要，这些贡献为继续塑造我们对宇宙理解的发现铺平了道路。天顶圈的遗产是人类智慧和不懈追求知识的见证，提醒我们每一个进步都是建立在前人奠定的基础之上的。