geographic longitude

简明释义

地理经度

英英释义

例句

1.To determine the exact location of the city, we need its geographic longitude 地理经度 and latitude.

要确定该城市的确切位置，我们需要它的地理经度 geographic longitude 和纬度。

2.The geographic longitude 地理经度 helps in understanding time zones around the world.

了解世界各地的时区需要使用地理经度 geographic longitude。

3.Using a map, you can find your geographic longitude 地理经度 by locating the vertical lines.

使用地图，你可以通过找到垂直线来找到你的地理经度 geographic longitude。

4.The ship's navigator used the geographic longitude 地理经度 to plot the vessel's course across the ocean.

船只的导航员使用了地理经度 geographic longitude 来绘制船只在海洋上的航线。

5.The geographic longitude 地理经度 of the observatory is crucial for astronomical observations.

天文台的地理经度 geographic longitude 对于天文观测至关重要。

作文

Understanding the concept of geographic longitude is essential for navigation, geography, and even in our daily lives. Geographic longitude refers to the angular distance of a point on the Earth's surface, measured in degrees, east or west from the Prime Meridian, which is defined as 0 degrees longitude. This system of measurement allows us to pinpoint exact locations on the globe, making it crucial for various applications such as mapping, GPS technology, and global positioning systems.The Earth is divided into 360 degrees of longitude, with lines running from the North Pole to the South Pole. Each degree of geographic longitude can be further divided into minutes and seconds, providing an even more precise location. For instance, the city of New York is located at approximately 74 degrees west longitude. This means that it is situated 74 degrees west of the Prime Meridian, which runs through Greenwich, England.One of the most significant historical developments related to geographic longitude was the creation of accurate timekeeping devices in the 18th century. Before this innovation, sailors struggled to determine their longitude while at sea, leading to numerous shipwrecks and navigational errors. The invention of the marine chronometer by John Harrison revolutionized maritime navigation by allowing sailors to calculate their position more accurately. By knowing the local time and comparing it to the time at the Prime Meridian, sailors could determine their geographic longitude with remarkable precision.In addition to its importance in navigation, geographic longitude also plays a vital role in understanding global climate patterns. Different longitudes experience varying amounts of sunlight throughout the year due to the tilt of the Earth's axis. This variation influences weather patterns, agricultural practices, and even the distribution of flora and fauna around the world. For example, regions near the equator, which have lower geographic longitude values, tend to have warm climates year-round, while areas closer to the poles experience extreme seasonal variations.Moreover, the concept of geographic longitude extends beyond mere numbers on a map; it has cultural and historical significance as well. Many ancient civilizations used their understanding of geographic longitude for trade, exploration, and territorial claims. The ability to measure longitude accurately allowed explorers during the Age of Discovery to navigate uncharted waters and establish new trade routes, ultimately shaping the course of history.In modern times, the relevance of geographic longitude continues to grow with advancements in technology. With the advent of smartphones and GPS applications, individuals can now easily access their geographic longitude and latitude coordinates at any given moment. This capability has transformed how we interact with the world around us, enabling us to find directions, explore new places, and even engage in activities like geocaching.In conclusion, geographic longitude is a fundamental aspect of our understanding of the world. Its implications reach far beyond simple geographical measurements, affecting navigation, climate, culture, and technology. By grasping the significance of geographic longitude, we can better appreciate the complexities of our planet and the intricate systems that govern it. As we continue to explore and innovate, the importance of accurately measuring geographic longitude will remain a cornerstone of our global society.

理解地理经度的概念对于导航、地理甚至我们的日常生活至关重要。地理经度是指地球表面某一点的角距离，单位为度，从本初子午线（定义为0度经度）向东或向西测量。这种测量系统使我们能够精确定位地球上的位置，因此在制图、GPS技术和全球定位系统等各种应用中至关重要。地球被划分为360度经度，纵向线从北极延伸到南极。每一度的地理经度都可以进一步细分为分钟和秒，从而提供更精确的位置。例如，纽约市位于大约74度西经。这意味着它位于本初子午线以西74度的位置，本初子午线经过英国格林威治。与地理经度相关的一个重要历史发展是18世纪精确计时设备的发明。在这一创新之前，航海者在海上很难确定他们的经度，导致了许多船只失事和导航错误。约翰·哈里森发明的海洋计时器彻底改变了海洋导航，使航海者能够更准确地计算他们的位置。通过知道当地时间并将其与本初子午线的时间进行比较，航海者可以以惊人的精确度确定他们的地理经度。除了在导航中的重要性外，地理经度在理解全球气候模式方面也发挥着重要作用。由于地球轴的倾斜，不同经度所经历的阳光照射量在一年中的不同时间会有所不同。这种变化影响了天气模式、农业实践，甚至全球植物和动物的分布。例如，靠近赤道的地区，其地理经度值较低，往往全年气候温暖，而靠近极地的地区则经历极端的季节性变化。此外，地理经度的概念不仅仅是地图上的数字；它也具有文化和历史意义。许多古代文明利用他们对地理经度的理解进行贸易、探索和领土主张。精确测量经度的能力使得在发现时代的探险者能够在未知水域中导航并建立新的贸易路线，最终塑造了历史的进程。在现代，随着科技的进步，地理经度的相关性持续增长。随着智能手机和GPS应用程序的出现，个人现在可以在任何时刻轻松访问他们的地理经度和纬度坐标。这种能力改变了我们与周围世界的互动，使我们能够找到方向、探索新地方，甚至参与诸如地理寻宝等活动。总之，地理经度是我们理解世界的一个基本方面。它的影响远远超出了简单的地理测量，涉及导航、气候、文化和技术。通过掌握地理经度的重要性，我们可以更好地欣赏地球的复杂性以及支配它的复杂系统。随着我们继续探索和创新，准确测量地理经度的重要性将始终是我们全球社会的基石。