lower branch of Greenwich meridian

简明释义

格林子圈

英英释义

例句

1.During the geography lesson, the teacher explained how the lower branch of Greenwich meridian affects time zones.

在地理课上，老师解释了格林威治子午线下支如何影响时区。

2.The explorers set their map to the lower branch of Greenwich meridian, which is crucial for navigation in the southern hemisphere.

探险者将他们的地图设定在格林威治子午线下支，这对于南半球的导航至关重要。

3.In cartography, the lower branch of Greenwich meridian serves as a reference point for mapping.

在制图学中，格林威治子午线下支作为制图的参考点。

4.The satellite images showed a clear view of the lower branch of Greenwich meridian and its surrounding areas.

卫星图像清晰显示了格林威治子午线下支及其周边地区。

5.To calculate the distance from our location to the lower branch of Greenwich meridian, we used a GPS device.

为了计算我们的位置到格林威治子午线下支的距离，我们使用了GPS设备。

作文

The concept of the lower branch of Greenwich meridian is often overlooked in discussions about geography and navigation. The Greenwich Meridian, also known as the Prime Meridian, is an important reference point for timekeeping and mapping. It divides the Earth into the Eastern and Western Hemispheres. However, when we talk about the lower branch of Greenwich meridian (格林威治子午线下支), we are referring to the segment of this meridian that lies south of the equator, which holds significant importance in various fields such as astronomy, navigation, and even climate studies.The lower branch of the Greenwich meridian plays a crucial role in defining coordinates for locations in the Southern Hemisphere. For instance, countries like Brazil, South Africa, and Australia all have geographic coordinates that reference this meridian. Understanding the lower branch of Greenwich meridian (格林威治子午线下支) allows cartographers and navigators to accurately plot points on maps and devices, ensuring safe travel and effective communication.In addition to its practical applications in navigation and mapping, the lower branch of Greenwich meridian (格林威治子午线下支) also has historical significance. The establishment of the Prime Meridian at Greenwich in 1884 was a pivotal moment in the history of global navigation, as it provided a standardized reference point for time zones and geographical measurements. This decision was made during the International Meridian Conference, where representatives from 25 nations gathered to discuss the need for a uniform system of timekeeping. The choice of Greenwich was not arbitrary; it was already a prominent location for maritime navigation due to the presence of the Royal Observatory.Moreover, the lower branch of Greenwich meridian (格林威治子午线下支) can be associated with various scientific studies. Researchers studying climate patterns and ocean currents often utilize this meridian as a reference point. For example, the movement of warm and cold ocean currents can be tracked more effectively when using the Greenwich Meridian as a baseline. Understanding these patterns is essential for predicting weather events and understanding climate change.Furthermore, the lower branch of Greenwich meridian (格林威治子午线下支) has implications in the field of astronomy. Astronomers use the Prime Meridian as a reference for measuring celestial events and positioning stars and planets in the night sky. By establishing a consistent framework for observation, scientists can share their findings and collaborate more effectively across different regions of the world.In conclusion, while the lower branch of Greenwich meridian (格林威治子午线下支) may seem like a minor detail in the vast realm of geography, it carries significant weight in various disciplines. From navigation and cartography to climate studies and astronomy, this meridian serves as a critical reference point that helps us understand our world better. As we continue to explore and study our planet, recognizing the importance of the lower branch of Greenwich meridian (格林威治子午线下支) will undoubtedly enhance our comprehension of both local and global phenomena.

格林威治子午线下支这一概念在地理和导航的讨论中常常被忽视。格林威治子午线，也称为本初子午线，是时间测量和制图的重要参考点。它将地球分为东半球和西半球。然而，当我们谈论格林威治子午线下支时，我们指的是位于赤道以南的这条子午线，这在天文学、导航甚至气候研究等多个领域具有重要意义。格林威治子午线下支在定义南半球位置的坐标方面发挥着至关重要的作用。例如，巴西、南非和澳大利亚等国家的地理坐标均以此子午线为参考。理解格林威治子午线下支使制图师和导航员能够准确地在地图和设备上绘制点，从而确保安全旅行和有效沟通。除了在导航和制图中的实际应用外，格林威治子午线下支还有历史意义。1884年，确立格林威治子午线作为本初子午线是全球导航历史上的一个重要时刻，因为它为时区和地理测量提供了标准化的参考点。这个决定是在国际子午线会议上作出的，25个国家的代表聚集在一起讨论统一的时间测量系统的必要性。选择格林威治并非偶然；由于皇家天文台的存在，这里早已成为海洋导航的一个重要地点。此外，格林威治子午线下支与各种科学研究相关联。研究气候模式和海洋洋流的研究人员通常将这一子午线作为参考点。例如，利用格林威治子午线作为基准，可以更有效地跟踪温暖和寒冷的海洋洋流。了解这些模式对于预测天气事件和理解气候变化至关重要。此外，格林威治子午线下支在天文学领域也具有重要意义。天文学家使用本初子午线作为测量天文事件和定位星星及行星的参考。通过建立一致的观察框架，科学家们可以更有效地分享他们的发现并进行跨地区的合作。总之，尽管格林威治子午线下支在广阔的地理领域中似乎是一个微不足道的细节，但它在多个学科中却具有重要的分量。从导航和制图到气候研究和天文学，这条子午线作为一个关键的参考点，帮助我们更好地理解我们的世界。随着我们继续探索和研究我们的星球，认识到格林威治子午线下支的重要性无疑会增强我们对地方和全球现象的理解。