Greenwich astronomical time

简明释义

格林天文时

英英释义

例句

1.The conference call is scheduled for 3 PM Greenwich astronomical time.

会议电话定于格林威治天文时间下午3点。

2.The world clock shows the current Greenwich astronomical time accurately.

世界时钟准确显示当前的格林威治天文时间。

3.Travelers often check Greenwich astronomical time to synchronize their watches.

旅行者经常检查格林威治天文时间以同步他们的手表。

4.To convert local time to Greenwich astronomical time, you need to know your time zone.

要将当地时间转换为格林威治天文时间，您需要知道您的时区。

5.The satellite launch will occur at 10 AM Greenwich astronomical time.

卫星发射将在格林威治天文时间上午10点进行。

作文

The concept of time has always been a crucial aspect of human civilization. Among the various systems of measuring time, Greenwich astronomical time plays a significant role. This term refers to the mean solar time at the Prime Meridian, which is located at Greenwich, London. It serves as the basis for the world's time zones and is instrumental in navigation and astronomy. Understanding Greenwich astronomical time helps us comprehend how we synchronize our daily activities and coordinate across different regions of the globe.Historically, the establishment of Greenwich astronomical time dates back to the late 19th century when the need for a standardized time system became evident. Before this, local mean times were used, which varied from one location to another. The introduction of Greenwich astronomical time allowed for a unified timekeeping system, facilitating international travel, communication, and trade. It marked a significant advancement in the way people perceived and utilized time.In practical terms, Greenwich astronomical time is often referred to as Greenwich Mean Time (GMT). GMT is crucial for various applications, including aviation, shipping, and telecommunications. For instance, flights are scheduled based on GMT to ensure that passengers arrive at their destinations on time, regardless of the local time differences. Similarly, the global financial markets operate on GMT, allowing traders from different countries to engage in transactions seamlessly.Moreover, Greenwich astronomical time is essential for astronomers and scientists. It provides a reference point for celestial observations and calculations. By using GMT, astronomers can accurately track celestial bodies and phenomena, leading to significant discoveries and advancements in astrophysics. The precision of Greenwich astronomical time is vital for launching satellites and conducting space missions, where even a slight error in timing can lead to disastrous outcomes.In today's digital age, the significance of Greenwich astronomical time has only increased. With the advent of the internet and global connectivity, people around the world rely on synchronized time for various activities. Whether it is scheduling online meetings, broadcasting live events, or coordinating international projects, Greenwich astronomical time serves as the backbone of our timekeeping needs.In conclusion, Greenwich astronomical time is more than just a measure of hours and minutes; it is a fundamental component of modern society. Its establishment has revolutionized the way we perceive time and has facilitated global interactions across various fields. As we continue to advance technologically, the importance of Greenwich astronomical time will remain significant, reminding us of the interconnectedness of our world and the importance of precise timekeeping in our daily lives.

时间的概念一直是人类文明的重要组成部分。在各种测量时间的系统中，格林威治天文时间扮演着重要角色。这个术语指的是位于伦敦格林威治的本初子午线的平均太阳时间。它作为世界时区的基础，在导航和天文学中发挥着重要作用。理解格林威治天文时间有助于我们理解如何同步我们的日常活动并在全球不同地区进行协调。历史上，格林威治天文时间的建立可以追溯到19世纪末，当时对标准化时间系统的需求变得显而易见。在此之前，各地使用地方平均时间，这在不同地点之间有所不同。引入格林威治天文时间允许统一的时间记录系统，促进国际旅行、交流和贸易。这标志着人们对时间的认知和利用的重大进步。在实际应用中，格林威治天文时间通常被称为格林威治标准时间（GMT）。GMT对航空、航运和电信等各种应用至关重要。例如，航班根据GMT安排，以确保乘客按时到达目的地，无论当地时间差异如何。同样，全球金融市场也以GMT为基础，允许来自不同国家的交易者无缝进行交易。此外，格林威治天文时间对天文学家和科学家来说也是必不可少的。它为天体观察和计算提供了参考点。通过使用GMT，天文学家能够准确跟踪天体和现象，从而导致重大发现和天体物理学的进步。格林威治天文时间的精确性对于发射卫星和进行太空任务至关重要，因为即使是微小的时间误差也可能导致灾难性的后果。在今天的数字时代，格林威治天文时间的重要性只增不减。随着互联网和全球互联互通的出现，世界各地的人们依赖同步时间进行各种活动。无论是安排在线会议、直播事件，还是协调国际项目，格林威治天文时间都是我们时间记录需求的支柱。总之，格林威治天文时间不仅仅是小时和分钟的度量；它是现代社会的一个基本组成部分。其建立彻底改变了我们对时间的看法，并促进了各个领域的全球互动。随着我们技术的不断进步，格林威治天文时间的重要性将继续显著，提醒我们世界的相互联系以及精确时间记录在我们日常生活中的重要性。