Greenwich meridian

简明释义

格林子午线

英英释义

例句

1.Travelers often adjust their watches according to the Greenwich meridian (格林威治子午线) when crossing time zones.

旅行者在跨越时区时，常常根据Greenwich meridian (格林威治子午线)调整手表。

2.Many countries use the Greenwich meridian (格林威治子午线) as a reference for their time zones.

许多国家将Greenwich meridian (格林威治子午线)作为其时区的参考。

3.Sailing enthusiasts often plot their courses using the Greenwich meridian (格林威治子午线) as a starting point.

航海爱好者常常以Greenwich meridian (格林威治子午线)作为起点来绘制航线。

4.The Prime Meridian at Greenwich is marked by a line that represents the Greenwich meridian (格林威治子午线).

位于格林威治的本初子午线由一条线标记，代表Greenwich meridian (格林威治子午线)。

5.The time in New York is based on the offset from the Greenwich meridian (格林威治子午线).

纽约的时间是基于与Greenwich meridian (格林威治子午线)的时差。

作文

The concept of the Greenwich meridian is fundamental in understanding global geography and timekeeping. The Greenwich meridian, also known as the Prime Meridian, is an imaginary line that runs from the North Pole to the South Pole, passing through the Royal Observatory in Greenwich, London. It is defined as 0 degrees longitude and serves as the reference point for all other longitudes. This means that every location on Earth is measured in relation to the Greenwich meridian. Historically, the establishment of the Greenwich meridian was essential for navigation and mapping. Before its adoption, different countries used various meridians as their reference points, which often led to confusion and inaccuracies in navigation. In 1884, an international conference held in Washington D.C. officially designated the Greenwich meridian as the prime meridian of the world. This decision unified global navigation and facilitated international travel and trade.One of the most significant implications of the Greenwich meridian is its role in the creation of time zones. The Earth is divided into 24 time zones, each one covering 15 degrees of longitude. As the Earth rotates, different parts of the world experience daylight and darkness at different times. The Greenwich meridian serves as the starting point for these time zones, with Coordinated Universal Time (UTC) being based on the mean solar time at the Greenwich meridian. This system allows for standardized timekeeping across the globe, making it easier for people to coordinate activities and communicate across different regions.Moreover, the Greenwich meridian is not just a geographical reference; it has cultural significance as well. The Royal Observatory in Greenwich, where the Greenwich meridian is located, is a UNESCO World Heritage Site and attracts millions of tourists each year. Visitors can stand on the line that marks the Greenwich meridian, symbolically placing one foot in the Eastern Hemisphere and the other in the Western Hemisphere. This experience highlights the importance of the Greenwich meridian as a global landmark and a point of connection between different cultures and regions.In conclusion, the Greenwich meridian is a crucial element in the fields of geography, navigation, and timekeeping. Its establishment has greatly improved the accuracy of maps and navigation, while also providing a standardized framework for time zones around the world. The cultural and historical significance of the Greenwich meridian further emphasizes its importance in our understanding of the world. As we continue to navigate an increasingly interconnected globe, the Greenwich meridian remains a vital reference point that helps us make sense of our place in the world.

“格林威治子午线”这一概念在理解全球地理和时间记录方面至关重要。“格林威治子午线”，也称为本初子午线，是一条从北极延伸到南极的想象线，经过位于伦敦格林威治的皇家天文台。它被定义为0度经度，并作为所有其他经度的参考点。这意味着地球上的每一个位置都是相对于“格林威治子午线”进行测量的。历史上，“格林威治子午线”的建立对航海和制图至关重要。在其采用之前，不同国家使用不同的子午线作为参考点，这常常导致了导航中的混乱和不准确。1884年，在华盛顿特区举行的国际会议上，正式将“格林威治子午线”指定为世界的本初子午线。这一决定统一了全球导航，促进了国际旅行和贸易。“格林威治子午线”最重要的影响之一是它在时区创建中的作用。地球被划分为24个时区，每个时区覆盖15度的经度。随着地球的自转，世界不同地区在不同时间经历白昼和黑暗。“格林威治子午线”作为这些时区的起点，协调世界时间（UTC）基于“格林威治子午线”的平均太阳时间。这个系统使全球的时间记录标准化，使人们更容易协调活动和跨不同地区进行交流。此外，“格林威治子午线”不仅是地理参考，它还有文化意义。位于“格林威治子午线”的皇家天文台是联合国教科文组织世界遗产，每年吸引数百万游客。游客可以站在标记“格林威治子午线”的线上，象征性地将一只脚放在东半球，另一只脚放在西半球。这种体验突显了“格林威治子午线”作为全球地标的重要性，以及它在不同文化和地区之间建立联系的作用。总之，“格林威治子午线”是地理、导航和时间记录领域的关键要素。它的建立大大提高了地图和导航的准确性，同时也为全球的时区提供了标准化的框架。“格林威治子午线”的文化和历史意义进一步强调了它在我们理解世界中的重要性。随着我们继续在一个日益互联的全球中导航，“格林威治子午线”仍然是一个重要的参考点，帮助我们理解自己在世界中的位置。