geodetic meridian

简明释义

大地子午线地理子午线

英英释义

例句

1.Researchers plotted the geodetic meridian 大地子午线 in their geographical studies.

研究人员在他们的地理研究中绘制了< span>大地子午线。

2.The geodetic meridian 大地子午线 serves as a reference line for navigation.

< span>大地子午线作为导航的参考线。

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

测量员使用了< span>大地子午线来准确测量土地边界。

4.The geodetic meridian 大地子午线 helps in determining precise locations on the Earth's surface.

< span>大地子午线有助于确定地球表面的精确位置。

5.Understanding the geodetic meridian 大地子午线 is crucial for GPS technology.

理解< span>大地子午线对GPS技术至关重要。

作文

The concept of a geodetic meridian is fundamental in the field of geodesy, which is the science of measuring and understanding the Earth's geometric shape, orientation in space, and gravity field. A geodetic meridian refers to an imaginary line that connects points of equal longitude on the Earth's surface. This line runs from the North Pole to the South Pole, serving as a reference for geographic coordinates. Understanding this concept is crucial for navigation, mapping, and various applications in earth sciences.In practical terms, a geodetic meridian is often used in the creation of maps and the establishment of property boundaries. When surveyors and cartographers create maps, they rely on these meridians to accurately represent the Earth's surface. Each geodetic meridian can be associated with a specific longitude, which helps in pinpointing locations on the globe. For instance, the Prime Meridian, which is located at 0 degrees longitude, is one of the most well-known geodetic meridians. It serves as the starting point for measuring longitude and is essential for global navigation systems.Moreover, the significance of geodetic meridians extends beyond mere mapping. They play a vital role in satellite positioning and global positioning systems (GPS). Modern GPS technology relies on a network of satellites that communicate with receivers on Earth. These satellites use geodetic meridians as reference points to determine precise locations. Without the framework provided by geodetic meridians, the accuracy of GPS would be compromised, leading to errors in navigation and location tracking.Additionally, geodetic meridians are important for understanding the Earth's rotation and its effects on timekeeping. The concept of time zones is closely related to the positioning of geodetic meridians. Each zone typically spans 15 degrees of longitude, corresponding to one hour of time difference. This system allows for a standardized way of keeping time across different regions of the world, facilitating international communication and travel.In the context of climate studies and environmental monitoring, geodetic meridians also serve as crucial reference lines. Scientists use them to track changes in the Earth's surface, such as shifts in tectonic plates or changes in sea level. By analyzing data collected along various geodetic meridians, researchers can gain insights into global phenomena such as climate change and natural disasters.In conclusion, the term geodetic meridian encompasses a wide array of applications and implications in our understanding of the Earth. From navigation and mapping to satellite positioning and climate research, geodetic meridians are integral to many scientific and practical endeavors. As technology continues to advance, the importance of accurately defining and utilizing geodetic meridians will only grow, highlighting their significance in both historical and contemporary contexts.

“大地子午线”的概念在大地测量领域中是基础性的，大地测量是测量和理解地球几何形状、空间方向和重力场的科学。大地子午线指的是连接地球表面上相同经度点的想象线。这条线从北极延伸到南极，作为地理坐标的参考。理解这个概念对于导航、制图以及地球科学的各种应用至关重要。在实际操作中，大地子午线通常用于地图的创建和财产边界的建立。当测量员和制图师制作地图时，他们依赖这些子午线来准确表示地球表面。每条大地子午线可以与特定的经度相关联，这有助于在全球范围内确定位置。例如，位于0度经度的本初子午线是最著名的大地子午线之一。它作为测量经度的起点，对于全球导航系统至关重要。此外，大地子午线的重要性超越了简单的制图。它们在卫星定位和全球定位系统（GPS）中发挥着重要作用。现代GPS技术依赖于一个与地球上的接收器通信的卫星网络。这些卫星使用大地子午线作为参考点来确定精确的位置。如果没有大地子午线提供的框架，GPS的准确性将受到影响，从而导致导航和定位跟踪中的错误。此外，大地子午线对于理解地球的自转及其对时间计量的影响也很重要。时区的概念与大地子午线的位置密切相关。每个时区通常跨越15度经度，对应一个小时的时间差。这一系统使得世界各地区保持标准化的时间方式成为可能，促进了国际交流和旅行。在气候研究和环境监测的背景下，大地子午线也作为关键的参考线。科学家们利用它们追踪地球表面的变化，例如构造板块的移动或海平面的变化。通过分析沿不同大地子午线收集的数据，研究人员可以深入了解气候变化和自然灾害等全球现象。总之，术语大地子午线涵盖了我们对地球理解的广泛应用和影响。从导航和制图到卫星定位和气候研究，大地子午线是许多科学和实际工作中不可或缺的一部分。随着技术的不断进步，准确地定义和利用大地子午线的重要性只会增加，突显出它们在历史和当代背景中的重要性。