scale of longitude

简明释义

经度比例尺

英英释义

例句

1.The map provides a detailed scale of longitude that helps in accurately determining distances across the globe.

这张地图提供了详细的经度比例尺，有助于准确确定全球范围内的距离。

2.Using the scale of longitude, we can determine how far apart two cities are in relation to the equator.

利用经度比例尺，我们可以确定两个城市距离赤道的远近。

3.The scale of longitude shown on the globe allows students to visualize Earth's divisions.

地球仪上显示的经度比例尺使学生能够直观地了解地球的划分。

4.When studying geography, understanding the scale of longitude is essential for mapping locations.

在学习地理时，理解经度比例尺对于定位至关重要。

5.Navigators rely on the scale of longitude to chart their courses at sea.

航海者依靠经度比例尺来规划他们在海上的航线。

作文

Understanding the concept of the scale of longitude is crucial for anyone interested in geography, navigation, or even global communication. The scale of longitude refers to the system of measuring distances east and west of the Prime Meridian, which is located at 0 degrees longitude. This measurement is essential for accurately pinpointing locations on Earth and plays a significant role in various fields such as cartography, aviation, and maritime navigation.Longitude lines are imaginary vertical lines that run from the North Pole to the South Pole. Each degree of longitude represents a specific distance, which varies depending on where you are on the planet. At the equator, one degree of longitude is approximately equal to 69 miles (111 kilometers), but as you move towards the poles, the distance between each degree decreases significantly. This is due to the Earth's curvature, which causes longitude lines to converge at the poles.The scale of longitude is not only important for physical navigation but also for understanding time zones. The Earth is divided into 24 time zones, each corresponding to 15 degrees of longitude. As the Earth rotates, different parts of the world experience daylight and darkness, leading to the necessity of standardized timekeeping. For instance, when it is noon at the Prime Meridian, it is 1 PM in the next time zone to the east, which corresponds to 15 degrees of longitude.In addition to navigation and timekeeping, the scale of longitude is also vital for satellite communication and GPS technology. Satellites orbiting the Earth use a coordinate system based on latitude and longitude to provide location data. This information is critical for various applications, including mapping services, emergency response, and personal navigation devices. Understanding how the scale of longitude works allows users to effectively utilize these technologies in their daily lives.Moreover, the scale of longitude has historical significance as well. Early explorers relied on accurate measurements of longitude to navigate the seas safely. The invention of the marine chronometer in the 18th century allowed sailors to determine their longitude at sea, revolutionizing maritime exploration and trade. This innovation highlights the importance of the scale of longitude in shaping human history and international relations.In conclusion, the scale of longitude is a fundamental aspect of our understanding of the world. It plays a critical role in navigation, timekeeping, satellite communication, and even historical exploration. By grasping the significance of the scale of longitude, we can better appreciate the complexities of our planet and the systems we rely on for travel and communication. Whether you are a student of geography, a professional navigator, or simply a curious individual, understanding the scale of longitude enriches your knowledge of the world around you.

理解经度比例这一概念对任何对地理、导航甚至全球通信感兴趣的人来说都是至关重要的。经度比例指的是测量东、西方向距离的系统，基准子午线位于0度经度。这个测量对于准确定位地球上的位置至关重要，并在制图、航空和海洋导航等多个领域发挥着重要作用。经度线是从北极到南极的假想垂直线。每度经度代表一个特定的距离，这个距离会根据你在地球上的位置而变化。在赤道上，一度经度大约等于69英里（111公里），但随着向极地移动，每度之间的距离显著减少。这是由于地球的曲率，导致经度线在极地处汇聚。经度比例不仅对物理导航重要，也对理解时区至关重要。地球被划分为24个时区，每个时区对应15度经度。随着地球的自转，世界的不同部分经历白昼和黑暗，这就需要标准化的时间记录。例如，当基准子午线处于正午时，东边下一个时区的时间是下午1点，对应15度经度。除了导航和时间记录外，经度比例对于卫星通信和GPS技术也至关重要。绕地球轨道运行的卫星使用基于经纬度的坐标系统提供位置信息。这些信息对于地图服务、紧急响应和个人导航设备等各种应用至关重要。理解经度比例的工作原理使用户能够有效利用这些技术，改善日常生活。此外，经度比例也具有历史意义。早期探险者依赖于准确的经度测量来安全航行海洋。18世纪海洋计时器的发明使水手能够在海上确定他们的经度，彻底改变了海洋探索和贸易。这一创新突显了经度比例在塑造人类历史和国际关系中的重要性。总之，经度比例是我们理解世界的基本方面。它在导航、时间记录、卫星通信甚至历史探索中发挥着关键作用。通过掌握经度比例的重要性，我们可以更好地欣赏我们星球的复杂性以及我们依赖于旅行和通信的系统。无论你是地理学的学生、专业导航员，还是只是一个好奇的人，理解经度比例都能丰富你对周围世界的认识。