geodetic longitude

简明释义

大地经度地理经度

英英释义

Geodetic longitude is the angular measurement east or west of a reference meridian, usually the Prime Meridian, measured in degrees.

大地经度是相对于参考子午线(通常是本初子午线)向东或向西的角度测量,单位为度。

例句

1.In geology, understanding the geodetic longitude 大地经度 helps in mapping tectonic plate movements.

在地质学中,了解大地经度有助于绘制构造板块的运动图。

2.During the expedition, we recorded the geodetic longitude 大地经度 of various landmarks.

在探险过程中,我们记录了各个地标的大地经度

3.The geodetic longitude 大地经度 is crucial for navigation systems to provide accurate location data.

对于导航系统来说,大地经度是提供准确位置信息的关键。

4.To determine the position of a satellite, scientists must calculate its geodetic longitude 大地经度 and latitude.

为了确定卫星的位置,科学家必须计算其大地经度和纬度。

5.The map displays the geodetic longitude 大地经度 of each city, allowing travelers to plan their routes accurately.

这张地图显示了每个城市的大地经度,使旅行者能够准确规划他们的路线。

作文

Understanding the concept of geodetic longitude is essential for anyone interested in geography, navigation, or earth sciences. Longitude is a geographical coordinate that specifies the east-west position of a point on the Earth's surface. It is measured in degrees, with the prime meridian at 0 degrees longitude serving as the reference line. The Earth is divided into 360 degrees of longitude, with 180 degrees to the east and 180 degrees to the west of the prime meridian. Each degree of longitude can be further divided into minutes and seconds, allowing for precise location identification. Geodetic longitude specifically refers to the longitude as determined by geodetic surveys, which take into account the Earth's shape, size, and gravitational field variations. This makes it different from other forms of longitude measurement, such as astronomical longitude, which is based on celestial observations.The significance of geodetic longitude lies in its application in various fields. For instance, in cartography, accurate measurements of longitude are crucial for creating reliable maps. Without precise geodetic longitude, mapmakers would struggle to represent geographical features accurately. Similarly, in navigation, understanding geodetic longitude allows sailors and pilots to determine their position relative to the Earth's surface. This is particularly important for maritime and aerial navigation, where small errors in longitude can lead to significant deviations from intended routes.Moreover, modern technologies like GPS (Global Positioning System) rely heavily on geodetic longitude. GPS satellites transmit signals that allow receivers on the ground to calculate their precise location using both latitude and longitude. The accuracy of these measurements is paramount, especially in applications such as aviation, military operations, and emergency response. In these contexts, even a slight error in geodetic longitude can have serious consequences.In addition to practical applications, understanding geodetic longitude also enriches our knowledge of global positioning systems and the Earth's geometry. The concept of geodesy, which is the science of measuring and understanding the Earth's geometric shape, orientation in space, and gravity field, incorporates geodetic longitude as a fundamental element. Geodesists utilize advanced technology and mathematical models to measure geodetic longitude with incredible precision, contributing to our understanding of tectonic movements, sea level changes, and more.In conclusion, geodetic longitude is a vital concept that plays a key role in various scientific and practical applications. Its importance extends from map-making and navigation to advanced geodetic research. As we continue to explore and understand our planet, the knowledge of geodetic longitude will remain crucial for accurate positioning and navigation. By grasping this concept, individuals can appreciate the complexities of our world and the technology that helps us navigate it effectively. Understanding geodetic longitude not only enhances our geographical awareness but also underscores the importance of precision in our increasingly interconnected world.

理解大地经度的概念对于任何对地理、导航或地球科学感兴趣的人来说都是至关重要的。经度是一个地理坐标,指定了地球表面某一点的东西位置。它以度为单位测量,零度经线(即本初子午线)作为参考线。地球被划分为360度经度,东180度和西180度。本初子午线的两侧,每度经度可以进一步细分为分钟和秒,从而实现精确的位置识别。大地经度特指通过大地测量确定的经度,这种测量考虑了地球的形状、大小和重力场的变化。这使得它与其他经度测量形式(如天文经度)有所不同,后者基于天体观测。大地经度的重要性体现在多个领域。例如,在制图学中,经度的准确测量对于制作可靠的地图至关重要。如果没有精确的大地经度,制图师将很难准确表示地理特征。同样,在导航中,了解大地经度使得水手和飞行员能够确定自己相对于地球表面的位置。这在海洋和空中导航中尤其重要,因为经度上的小错误可能会导致航线的重大偏离。此外,现代技术如GPS(全球定位系统)也严重依赖于大地经度。GPS卫星发射信号,使地面接收器能够利用经纬度计算其精确位置。这些测量的准确性至关重要,特别是在航空、军事行动和紧急响应等应用中。在这些情况下,即使是大地经度的轻微错误也可能产生严重后果。除了实际应用之外,理解大地经度还丰富了我们对全球定位系统和地球几何的知识。大地测量学的概念,即测量和理解地球的几何形状、在空间中的方向和重力场的科学,将大地经度作为一个基本元素。大地测量学家利用先进的技术和数学模型,以惊人的精确度测量大地经度,这有助于我们理解构造运动、海平面变化等现象。总之,大地经度是一个至关重要的概念,在各种科学和实际应用中发挥着关键作用。它的重要性不仅限于制图和导航,还扩展到高级大地测量研究。随着我们继续探索和理解我们的星球,对大地经度的知识将始终对准确定位和导航至关重要。通过掌握这一概念,个人可以欣赏到我们世界的复杂性以及帮助我们有效导航的技术。理解大地经度不仅增强了我们的地理意识,还强调了在我们日益互联的世界中精确性的必要性。

相关单词

geodetic

geodetic详解:怎么读、什么意思、用法

longitude

longitude详解:怎么读、什么意思、用法