longitude scale

简明释义

经度比例尺

英英释义

A longitude scale is a measurement system used to determine the angular distance of a point on the Earth's surface east or west of the Prime Meridian, expressed in degrees.

经度刻度是用于确定地球表面某一点相对于本初子午线的东西方向角度距离的测量系统,以度数表示。

例句

1.Using the longitude scale 经度刻度, we can accurately plot our course across the ocean.

利用经度刻度经度刻度,我们可以准确地绘制航行路线。

2.To find the correct time zone, refer to the longitude scale 经度刻度 on the world map.

要找到正确的时区,请参考世界地图上的经度刻度经度刻度

3.The map features a detailed longitude scale 经度刻度 that helps users determine distances between locations.

这张地图有一个详细的经度刻度经度刻度,帮助用户确定地点之间的距离。

4.The longitude scale 经度刻度 is essential for navigators to avoid getting lost at sea.

对于导航员来说,经度刻度经度刻度对于避免在海上迷路至关重要。

5.The longitude scale 经度刻度 on this globe is marked every 15 degrees.

这个地球仪上的经度刻度经度刻度每15度标记一次。

作文

Understanding the concept of the longitude scale is crucial for anyone interested in geography, navigation, or even global positioning systems. The longitude scale refers to the system used to measure the distance east or west of the Prime Meridian, which is located at 0 degrees longitude. This scale is essential for accurately locating places on the Earth's surface and plays a vital role in various applications, including mapping, navigation, and global communications.The Earth is divided into 360 degrees of longitude, with each degree further divided into minutes and seconds. This division allows for precise measurements and helps in pinpointing specific locations. For instance, New York City is located at approximately 74 degrees west longitude, while Tokyo is situated around 139 degrees east longitude. By understanding the longitude scale, one can easily identify the relative position of these cities on a map.In practical terms, the longitude scale is not just a theoretical construct; it has real-world implications. For sailors and pilots, knowing their longitude is critical for safe navigation. Historically, mariners relied on celestial navigation to determine their longitude, using the stars and the sun as reference points. However, this method was often complicated and required extensive knowledge of astronomy.With advancements in technology, the introduction of GPS (Global Positioning System) has revolutionized how we determine our position on the Earth. GPS devices utilize a network of satellites that transmit signals to receivers, allowing users to calculate their exact longitude and latitude within a matter of seconds. This technology has made navigation more accessible and accurate than ever before, but it still relies on the fundamental principles of the longitude scale.Moreover, the longitude scale also plays a significant role in timekeeping. The concept of time zones is directly related to the divisions of longitude. Each time zone generally represents 15 degrees of longitude, corresponding to one hour of time difference. For example, when it is noon at the Prime Meridian, it is 1 PM in Spain (which is at approximately 0 degrees to 15 degrees east longitude) and 11 AM in New York City (which is at approximately 74 degrees west longitude). This relationship between longitude and time highlights how interconnected our understanding of geography and time really is.In conclusion, the longitude scale is an essential component of our global navigation and communication systems. It provides a framework for understanding our planet's geography and facilitates various practical applications, from maritime navigation to timekeeping. As we continue to advance technologically, the importance of mastering concepts like the longitude scale will only grow, emphasizing the need for education in geography and related fields. Understanding this concept not only enhances our knowledge of the world but also equips us with the tools necessary for exploration and discovery in our increasingly interconnected global society.

理解经度刻度的概念对于任何对地理、导航或全球定位系统感兴趣的人来说都是至关重要的。经度刻度是指用于测量东经或西经与本初子午线(位于0度经度)之间距离的系统。这个刻度对于准确定位地球表面上的地点至关重要,并在包括制图、导航和全球通信等各种应用中发挥着重要作用。地球被划分为360个经度,每个经度进一步划分为分钟和秒。这种划分允许进行精确测量,并有助于确定特定位置。例如,纽约市位于大约74度西经,而东京则位于大约139度东经。通过理解经度刻度,人们可以轻松识别这些城市在地图上的相对位置。在实际应用中,经度刻度不仅是一个理论构想;它具有现实世界的影响。对于水手和飞行员来说,知道他们的经度对于安全导航至关重要。历史上,海员依靠天文导航来确定他们的经度,使用星星和太阳作为参考点。然而,这种方法往往复杂,需要广泛的天文学知识。随着科技的进步,GPS(全球定位系统)的引入彻底改变了我们确定在地球上位置的方式。GPS设备利用一组卫星网络传输信号给接收器,使用户能够在几秒钟内计算出他们的确切经度和纬度。这项技术使导航比以往任何时候都更容易和准确,但它仍然依赖于经度刻度的基本原理。此外,经度刻度在时间测量中也发挥着重要作用。时区的概念与经度的划分直接相关。每个时区通常代表15度经度,对应一个小时的时间差。例如,当本初子午线的时间是中午时,西班牙(大约在0度到15度东经)是下午1点,而纽约市(大约在74度西经)是上午11点。这种经度与时间之间的关系突显了我们对地理和时间理解的相互联系。总之,经度刻度是我们全球导航和通信系统的重要组成部分。它为理解我们星球的地理提供了框架,并促进了从海洋导航到时间测量的各种实际应用。随着技术的不断进步,掌握像经度刻度这样的概念的重要性只会增加,强调了在地理和相关领域进行教育的必要性。理解这一概念不仅增强了我们对世界的认识,还使我们具备了在日益互联的全球社会中进行探索和发现所需的工具。

相关单词

longitude

longitude详解:怎么读、什么意思、用法