civil mean time

简明释义

地方平时

英英释义

例句

1.All flights are listed according to civil mean time for consistency.

所有航班均按照民用平均时间列出以保持一致性。

2.The train is scheduled to arrive at 3:00 PM civil mean time.

火车预计在下午3:00到达民用平均时间。

3.The event will begin at noon civil mean time.

活动将在中午12:00开始民用平均时间。

4.You should convert your local time to civil mean time when traveling abroad.

出国旅行时，你应该将当地时间转换为民用平均时间。

5.Please adjust your watches to civil mean time before the meeting starts.

在会议开始之前，请将你的手表调整为民用平均时间。

作文

In our modern world, timekeeping is a crucial aspect of daily life. People rely on accurate time measurements for work, travel, and communication. One of the key concepts in timekeeping is the notion of mean time, specifically the term civil mean time, which refers to the standard time used in civil contexts. This concept is essential for coordinating activities across different regions and ensuring that everyone is on the same page regarding time. The definition of civil mean time can be understood as the average time calculated from solar time at a specific longitude, adjusted according to local time zones. This adjustment allows for a uniform time standard that can be applied across various locations, facilitating synchronization in society.The history of timekeeping reveals significant developments leading to the establishment of civil mean time. Before the advent of standardized time, people relied on sundials and natural indicators to determine the time of day. However, as societies grew and communication became more complex, the need for a consistent time standard emerged. The introduction of the railway system in the 19th century highlighted this necessity, as trains needed to operate on precise schedules to avoid accidents and delays. Consequently, the concept of civil mean time was adopted to streamline operations and improve safety.Today, civil mean time is often associated with Coordinated Universal Time (UTC), which serves as the basis for civil time worldwide. UTC is a highly accurate time standard that is maintained using atomic clocks and is adjusted periodically with leap seconds to account for variations in the Earth's rotation. This ensures that civil mean time remains reliable and consistent, allowing individuals and organizations to coordinate their activities seamlessly.In practical terms, civil mean time influences many aspects of our lives. For instance, businesses rely on it to schedule meetings, flights, and other activities. In the realm of technology, software applications utilize civil mean time to timestamp events, ensuring that data is recorded accurately and can be synchronized across devices. Furthermore, social interactions, such as planning gatherings or events, depend on a shared understanding of civil mean time to avoid confusion and ensure punctuality.However, the reliance on civil mean time also presents challenges. Different regions may adopt varying time zones, leading to discrepancies in how time is perceived and utilized. This can create confusion, especially for individuals who travel frequently or conduct business across borders. Additionally, the debate surrounding Daylight Saving Time (DST) raises questions about the effectiveness of civil mean time in accommodating seasonal changes in daylight. While some argue that DST optimizes energy consumption and extends evening daylight, others contend that it disrupts natural sleep patterns and complicates timekeeping.In conclusion, civil mean time is a fundamental aspect of contemporary society, providing a framework for understanding and managing time across diverse contexts. Its historical development reflects the evolving needs of humanity as we strive for coordination and efficiency in our increasingly interconnected world. As technology continues to advance, the importance of civil mean time will only grow, necessitating ongoing discussions about its relevance and application in our daily lives. Ultimately, a shared understanding of civil mean time enables us to navigate the complexities of timekeeping and enhances our ability to engage with one another in meaningful ways.

在我们现代社会，时间的计算是日常生活中至关重要的一个方面。人们依赖准确的时间测量来进行工作、旅行和交流。时间计算中的一个关键概念是平均时间，特别是术语civil mean time，它指的是在民用环境中使用的标准时间。这个概念对于协调不同地区的活动以及确保每个人在时间上保持一致至关重要。civil mean time的定义可以理解为根据特定经度的太阳时间计算的平均时间，按照当地时区进行调整。这种调整允许应用统一的时间标准，便于社会的同步。时间计算的历史揭示了建立civil mean time的重大进展。在标准化时间出现之前，人们依靠日晷和自然指示器来确定一天中的时间。然而，随着社会的发展和交流变得更加复杂，对一致时间标准的需求随之产生。19世纪铁路系统的引入突显了这一必要性，因为火车需要在精确的时间表上运行以避免事故和延误。因此，采用了civil mean time的概念，以简化操作并提高安全性。如今，civil mean time通常与协调世界时（UTC）相关联，后者作为全球民用时间的基础。UTC是一种高度准确的时间标准，通过原子钟维持，并定期通过闰秒进行调整，以补偿地球自转的变化。这确保了civil mean time保持可靠和一致，使个人和组织能够无缝协调其活动。在实际应用中，civil mean time影响着我们生活的许多方面。例如，企业依赖它来安排会议、航班和其他活动。在技术领域，软件应用利用civil mean time来标记事件的时间戳，确保数据被准确记录并能够在设备之间同步。此外，社交互动，例如计划聚会或活动，也依赖于对civil mean time的共同理解，以避免混淆并确保准时。然而，依赖civil mean time也带来了挑战。不同地区可能采用不同的时区，导致时间的感知和利用上出现差异。这可能造成混乱，尤其是对于经常旅行或跨国开展业务的人。此外，围绕夏令时（DST）的辩论引发了关于civil mean time在适应季节性日照变化中的有效性的问题。虽然一些人认为夏令时优化了能源消耗并延长了晚间日光，但另一些人则认为这扰乱了自然睡眠模式并使时间计算变得复杂。总之，civil mean time是当代社会的一个基本方面，为理解和管理多样化环境中的时间提供了框架。它的历史发展反映了人类不断发展的需求，因为我们努力在日益相互联系的世界中实现协调和效率。随着技术的不断进步，civil mean time的重要性只会增加，这需要对其在日常生活中的相关性和应用进行持续讨论。最终，对civil mean time的共同理解使我们能够更好地应对时间计算的复杂性，并增强我们以有意义的方式彼此交流的能力。