prime meridian

简明释义

格林子午线

英英释义

例句

1.London is famously known for being close to the prime meridian 本初子午线.

伦敦因靠近本初子午线而闻名。

2.All time zones are measured in relation to the prime meridian 本初子午线.

所有时区都是相对于本初子午线来测量的。

3.The location of the prime meridian 本初子午线 is at 0 degrees longitude.

本初子午线的位置在0度经线。

4.The prime meridian 本初子午线 runs through Greenwich, England.

本初子午线穿过英国格林威治。

5.When planning our trip, we used the prime meridian 本初子午线 as a reference point for time zones.

在规划我们的旅行时，我们使用本初子午线作为时区的参考点。

作文

The concept of the prime meridian is essential for understanding geography and navigation. The prime meridian is defined as the zero-degree longitude line, which runs from the North Pole to the South Pole. It serves as the starting point for measuring longitude, which is crucial for determining the location of places on Earth. The prime meridian passes through Greenwich, a suburb of London, England, and this is why it is often referred to as the Greenwich Meridian. Historically, the establishment of the prime meridian was a significant milestone in the field of cartography. Before its standardization in 1884, various countries used their own meridians, leading to confusion in navigation and mapping. The International Meridian Conference held in Washington D.C. in 1884 was pivotal in agreeing upon the prime meridian at Greenwich. This decision was influenced by the fact that over seventy percent of the world’s ships were using charts based on the Greenwich meridian at that time.Understanding the prime meridian is not just about knowing where it is located; it also involves recognizing its implications for timekeeping. The prime meridian is closely associated with Coordinated Universal Time (UTC), which is the time standard used worldwide. Time zones are determined based on their offset from UTC, which is centered around the prime meridian. For example, places east of the prime meridian are ahead of UTC, while those to the west are behind it. This system allows for synchronized global communication and travel, making it easier for people to coordinate activities across different regions.Moreover, the prime meridian has cultural and historical significance. It represents a physical and symbolic division of the Earth into the Eastern and Western Hemispheres. This division has influenced trade, exploration, and cultural exchanges throughout history. For instance, during the Age of Exploration, navigators relied on the prime meridian to chart their courses and establish new trade routes. The legacy of these explorations can still be seen today in the diverse cultures and economies that exist around the globe.In conclusion, the prime meridian is more than just a line on a map; it is a fundamental element of our understanding of the world. It plays a critical role in navigation, timekeeping, and cultural history. By grasping the importance of the prime meridian, we can better appreciate how interconnected our world is and how geographical concepts shape our daily lives. As we continue to explore and expand our understanding of geography, the prime meridian will remain a key reference point for future generations.

本初子午线的概念对于理解地理和导航至关重要。本初子午线被定义为零度经线，从北极延伸到南极。它作为测量经度的起点，对于确定地球上地点的位置至关重要。本初子午线经过格林威治，这是伦敦一个郊区，因此通常被称为格林威治子午线。历史上，本初子午线的建立是制图领域的重要里程碑。在1884年标准化之前，各个国家使用自己的子午线，导致导航和制图上的混乱。1884年在华盛顿特区举行的国际子午线会议在确定格林威治子午线作为本初子午线方面起到了关键作用。这一决定受到当时世界上超过70%的船只使用基于格林威治子午线的海图的影响。理解本初子午线不仅仅是了解它的位置；还涉及到认识它对时间计量的影响。本初子午线与协调世界时（UTC）密切相关，后者是全球使用的时间标准。时区是根据与UTC的偏移量来确定的，UTC以本初子午线为中心。例如，位于本初子午线以东的地方比UTC早，而位于其以西的地方则晚。这一系统使全球通信和旅行得以同步，方便人们在不同地区协调活动。此外，本初子午线具有文化和历史意义。它代表了地球东半球和西半球的物理和象征性划分。这一划分在历史上影响了贸易、探索和文化交流。例如，在大航海时代，航海家依赖本初子午线来规划航线并建立新的贸易路线。这些探索的遗产至今仍能在全球多样的文化和经济中看到。总之，本初子午线不仅仅是地图上的一条线；它是我们理解世界的基本元素。它在导航、时间计量和文化历史中发挥着关键作用。通过掌握本初子午线的重要性，我们可以更好地欣赏我们的世界是多么相互关联，以及地理概念如何塑造我们的日常生活。随着我们继续探索和扩展对地理的理解，本初子午线将始终是未来几代人的关键参考点。