geodetic meridian

简明释义

大地子午线

英英释义

例句

1.Understanding the geodetic meridian 大地子午线 is essential for geographers studying Earth's geometry.

理解大地子午线对研究地球几何的地理学家至关重要。

2.The surveyor used the geodetic meridian 大地子午线 to accurately measure the land boundaries.

测量员使用了大地子午线来准确测量土地边界。

3.In cartography, the geodetic meridian 大地子午线 serves as a reference line for mapping purposes.

在制图中，大地子午线作为制图的参考线。

4.The geodetic meridian 大地子午线 helps in determining the curvature of the Earth.

大地子午线有助于确定地球的曲率。

5.The geodetic meridian 大地子午线 is crucial for GPS technology to provide accurate location data.

大地子午线对GPS技术提供准确的位置信息至关重要。

作文

The term geodetic meridian refers to an imaginary line that connects points of equal longitude on the Earth's surface. This concept is crucial in the field of geodesy, which is the science of measuring and understanding the Earth's geometric shape, orientation in space, and gravity field. Understanding the geodetic meridian is essential for various applications, including navigation, mapping, and satellite positioning. Geodesy has a rich history, dating back to ancient civilizations that sought to measure the Earth’s dimensions. However, the modern understanding of the geodetic meridian emerged with advancements in technology and mathematics. The Earth is not a perfect sphere; instead, it is an oblate spheroid, meaning it is slightly flattened at the poles and bulging at the equator. This irregular shape necessitates a sophisticated approach to defining meridians.A geodetic meridian is defined based on the Earth's gravitational field and the shape of the planet. It is used as a reference for geographic coordinates, which are vital for navigation systems like GPS. Each geodetic meridian corresponds to a specific degree of longitude, and these lines run from the North Pole to the South Pole. In practical terms, the most famous geodetic meridian is the Prime Meridian, which is located at 0 degrees longitude and passes through Greenwich, England. This meridian serves as the starting point for measuring longitude across the globe.In addition to navigation, the geodetic meridian plays a significant role in various scientific fields. For example, in astronomy, understanding the position of celestial bodies relative to the Earth requires precise knowledge of the geodetic meridian. Similarly, environmental scientists use this concept to study climate patterns and changes in the Earth’s surface.Furthermore, the concept of the geodetic meridian is also important in legal contexts, particularly in land surveying and property boundaries. Accurate measurements of land rely on the precise definition of meridians, ensuring that borders are correctly established according to geographical coordinates. With the rise of technology, the importance of the geodetic meridian has only increased. Modern tools such as satellite imagery and global positioning systems allow for real-time tracking of locations based on these meridians. As a result, industries ranging from transportation to telecommunications heavily depend on the principles derived from the geodetic meridian.In conclusion, the geodetic meridian is a fundamental concept in geodesy that impacts numerous aspects of our daily lives. From navigation and mapping to scientific research and legal matters, understanding this term is vital for comprehending how we interact with our planet. As technology continues to evolve, the significance of the geodetic meridian will likely expand, further integrating it into various fields and applications, enhancing our ability to understand and navigate the Earth effectively.

术语geodetic meridian指的是连接地球表面上相同经度点的虚线。这一概念在大地测量学领域至关重要，大地测量学是测量和理解地球几何形状、空间方向和重力场的科学。理解geodetic meridian对导航、制图和卫星定位等各种应用至关重要。大地测量学有着悠久的历史，可以追溯到古代文明，那时人们试图测量地球的尺寸。然而，现代对geodetic meridian的理解随着技术和数学的进步而出现。地球并不是一个完美的球体；相反，它是一个扁球体，这意味着它在两极略微扁平，在赤道处隆起。这种不规则的形状需要一种复杂的方法来定义子午线。geodetic meridian是基于地球的重力场和行星的形状来定义的。它被用作地理坐标的参考，这对导航系统如GPS至关重要。每条geodetic meridian对应一个特定的经度度数，这些线从北极延伸到南极。在实际应用中，最著名的geodetic meridian是位于0度经度的本初子午线，它穿过英国格林威治。这条子午线作为测量全球经度的起点。除了导航之外，geodetic meridian在多个科学领域也发挥着重要作用。例如，在天文学中，了解天体相对于地球的位置需要精确的geodetic meridian知识。类似地，环境科学家使用这一概念来研究气候模式和地球表面的变化。此外，geodetic meridian的概念在法律方面也很重要，特别是在土地测量和财产边界方面。土地的准确测量依赖于对子午线的精确定义，确保根据地理坐标正确建立边界。随着技术的发展，geodetic meridian的重要性只会增加。现代工具如卫星图像和全球定位系统允许实时跟踪基于这些子午线的位置。因此，从运输到电信等行业在很大程度上依赖于源于geodetic meridian的原则。总之，geodetic meridian是大地测量学中的一个基本概念，影响着我们日常生活的多个方面。从导航和制图到科学研究和法律事务，理解这个术语对于理解我们如何与地球互动至关重要。随着技术的不断发展，geodetic meridian的重要性可能会进一步扩大，进一步将其融入各种领域和应用中，增强我们有效理解和导航地球的能力。