longitude

简明释义

英[ˈlɒŋɡɪtjuːd]美[ˈlɑːndʒɪtuːd]

n. 经度，经线

复 数 l o n g i t u d e s

英英释义

单词用法

同义词

反义词

例句

1.Why would anyone care about their exact latitude and longitude?

难道所有人都关心自己所在的确切经纬度？

2.It's not like a map, where every position can be defined by longitude, latitude and altitude.

这不是像地图，地图上每一个位置可以通过经度，纬度和海拔高度来定义。

3.A similar feature is found at 13 degrees north between 230 degrees and 250 degrees longitude.

在北纬13度、经度230度到250度之间也发现了类似的特点。

4.This data object merely wraps a pair of latitude and longitude values.

数据对象只用来包装经度和纬度值对。

5.The derived spatial column, Location, USES the original coordinates: longitude as X, latitude as Y.

派生的空间列location使用原始的坐标：经度作为X，纬度作为Y。

6.Before 1953, latitude-longitude identification methods were used to tag hurricanes.

1953年以前，人们习惯以经纬度坐标识别来标志飓风的。

7.The latitude and longitude system is probably the best known way to designate geographic coordinates.

经纬度系统可能是最为人熟知的地理坐标设计方法。

8.Longitude is calculated using the longitude zone.

经度值则通过经度区计算。

9.For our purposes here, geocoding is defined as finding the latitude and longitude for a given address.

出于本文的目的，地理编码被定义为查找给定地址的纬度和经度。

10.The GPS device shows your current longitude 经度 and latitude.

GPS设备显示你当前的经度和纬度。

11.To find the exact location on Earth, you need both longitude 经度 and latitude.

要找到地球上的确切位置，你需要同时知道经度和纬度。

12.The ship's captain used a map to determine the ship's longitude 经度 and latitude.

船长使用地图来确定船只的经度和纬度。

13.In geography class, we learned how to calculate longitude 经度 using the stars.

在地理课上，我们学习了如何通过星星计算经度。

14.The longitude 经度 of the Eiffel Tower is approximately 2.2945 degrees east.

埃菲尔铁塔的经度大约是东经2.2945度。

作文

Understanding the concept of longitude is essential for navigation and geography. Longitude refers to the angular distance of a point east or west of the Prime Meridian, which is defined as 0 degrees longitude. This imaginary line runs from the North Pole to the South Pole and passes through Greenwich, England. The Earth is divided into 360 degrees of longitude, with each degree further divided into minutes and seconds. Knowing the longitude of a location helps in pinpointing its exact position on the globe. For example, if you are planning a trip to a foreign country, understanding the longitude can assist in determining the local time. Since the Earth rotates 360 degrees in approximately 24 hours, each degree of longitude corresponds to about four minutes of time difference. Therefore, if you know the longitude of your destination, you can calculate the time difference from your home location, which is crucial for scheduling flights and activities. Moreover, longitude plays a significant role in various fields such as meteorology, aviation, and maritime navigation. For instance, pilots rely on longitude and latitude coordinates to navigate their aircraft accurately. Similarly, ships use longitude to chart their courses across oceans, ensuring they reach their destinations safely and efficiently. In addition to practical applications, longitude also has historical significance. The quest for accurate longitude determination was a major challenge for explorers and navigators in the past. Before the invention of precise clocks, sailors struggled to calculate their longitude at sea, leading to many navigational errors and shipwrecks. The development of marine chronometers in the 18th century revolutionized navigation by allowing sailors to determine their longitude accurately, thus enhancing maritime safety. Today, technology has advanced significantly, and we have tools like GPS that provide real-time longitude and latitude information. However, understanding the fundamental concepts of longitude remains important. It not only aids in navigation but also enriches our knowledge of geography and the Earth's structure. In conclusion, longitude is a vital concept that connects us to the world around us. Whether we are traveling, studying geography, or engaging in scientific research, the knowledge of longitude enhances our understanding of spatial relationships on Earth. By grasping the significance of longitude, we can appreciate the complexity of our planet and navigate it more effectively.

理解经度的概念对于导航和地理学至关重要。经度是指某一点位于本初子午线东或西的角度距离，本初子午线被定义为0度经度。这条虚拟线从北极延伸到南极，穿过英国格林威治。地球被划分为360度经度，每度又进一步细分为分钟和秒。了解一个地点的经度有助于准确确定其在地球上的位置。例如，如果你计划去一个外国旅行，了解经度可以帮助你确定当地时间。由于地球大约在24小时内旋转360度，每度经度大约对应四分钟的时间差。因此，如果你知道目的地的经度，你可以计算出与家乡的时差，这对安排航班和活动至关重要。此外，经度在气象学、航空和海洋导航等多个领域也发挥着重要作用。例如，飞行员依赖经度和纬度坐标来准确导航他们的飞机。同样，船只使用经度来在海洋中绘制航线，确保安全高效地到达目的地。除了实际应用，经度还有历史意义。过去，准确确定经度的追求是探险者和导航员面临的一大挑战。在精确时钟发明之前，水手们在海上计算经度时常常困难重重，导致许多导航错误和船只失事。18世纪海洋计时器的发展通过使水手能够准确确定其经度，彻底改变了航海，增强了海上安全。如今，科技已经取得了显著进步，我们拥有像GPS这样的工具，可以提供实时的经度和纬度信息。然而，理解经度的基本概念仍然很重要。它不仅有助于导航，还丰富了我们对地理和地球结构的知识。总之，经度是一个重要的概念，将我们与周围的世界联系在一起。无论我们是在旅行、学习地理还是进行科学研究，了解经度都能增强我们对地球空间关系的理解。通过掌握经度的重要性，我们可以欣赏到我们星球的复杂性，并更有效地导航。