mean solar time

简明释义

平时

英英释义

例句

1.Farmers use mean solar time 平均太阳时 to plan their planting and harvesting schedules.

农民使用平均太阳时来规划他们的种植和收获时间表。

2.The clock was set to mean solar time 平均太阳时 to ensure accurate timekeeping.

为了确保准确的时间记录，时钟被设置为平均太阳时。

3.The difference between local time and mean solar time 平均太阳时 can affect travel itineraries.

当地时间与平均太阳时之间的差异可能会影响旅行行程。

4.Navigators at sea often calculate their position using mean solar time 平均太阳时 as a reference.

海上的航海者通常使用平均太阳时作为参考来计算他们的位置。

5.In astronomy, the calculations often rely on mean solar time 平均太阳时 to determine celestial events.

在天文学中，计算通常依赖于平均太阳时来确定天文事件。

作文

Understanding the concept of time is essential in our daily lives, and one of the fundamental ways we measure time is through the use of solar time. Among the various types of solar time, mean solar time plays a crucial role in how we organize our schedules and coordinate activities. To grasp this concept better, it is important to explore its definition, significance, and practical applications in our modern world.Mean solar time refers to the average time it takes for the Earth to complete one rotation on its axis relative to the position of the Sun. Unlike apparent solar time, which varies throughout the year due to the elliptical shape of Earth's orbit and its axial tilt, mean solar time provides a consistent framework for measuring time. It serves as the basis for our standard timekeeping systems, allowing us to have a uniform understanding of time across different regions.The significance of mean solar time lies in its ability to simplify timekeeping. Before the advent of mechanical clocks, people relied heavily on sundials that measured apparent solar time. However, this method was not always practical, especially with the variations caused by the Earth's orbit. The introduction of mean solar time allowed for a more stable and reliable way to track time, leading to the development of standardized time zones.In our daily lives, mean solar time influences everything from our work schedules to transportation systems. For instance, train and flight schedules are often based on mean solar time, ensuring that passengers can rely on accurate departure and arrival times. This uniformity is crucial in an increasingly interconnected world where people travel across different time zones.Moreover, the global adoption of mean solar time has facilitated international communication and collaboration. Businesses operating in multiple countries can synchronize their operations more effectively, leading to improved efficiency and productivity. Without a common understanding of time, coordinating meetings and deadlines would be a challenging task.However, it is also essential to recognize the limitations of mean solar time. While it provides a consistent measure of time, it does not account for the natural variations in daylight caused by seasonal changes. This discrepancy is why we have daylight saving time in many regions, where clocks are adjusted forward or backward to make better use of daylight during certain months.In conclusion, mean solar time is a fundamental concept that underpins our understanding of time in the modern world. By providing a consistent and reliable measure of time, it has transformed the way we organize our lives, conduct business, and communicate across borders. As we continue to advance technologically, the importance of mean solar time will only grow, reminding us of the intricate relationship between time and our daily existence. Understanding this concept allows us to appreciate the complexities of timekeeping and its impact on our lives.

理解时间的概念对我们日常生活至关重要，而我们测量时间的基本方式之一就是通过使用太阳时间。在各种太阳时间中，平均太阳时间在我们组织日程和协调活动方面发挥着至关重要的作用。为了更好地掌握这一概念，探讨其定义、重要性和在现代世界中的实际应用是非常重要的。平均太阳时间指的是地球相对于太阳位置完成一次自转所需的平均时间。与由于地球轨道的椭圆形状和轴倾斜而导致的年度变化不同，平均太阳时间提供了一个一致的时间测量框架。它作为我们标准时间系统的基础，使我们能够在不同地区拥有统一的时间理解。平均太阳时间的重要性在于它简化了时间的计算。在机械钟表出现之前，人们主要依靠日晷来测量表观太阳时间。然而，这种方法并不总是实用，尤其是考虑到地球轨道造成的变化。平均太阳时间的引入使得跟踪时间变得更加稳定和可靠，促成了标准时间区的发展。在我们的日常生活中，平均太阳时间影响着从工作时间表到交通系统的一切。例如，火车和航班的时刻表通常基于平均太阳时间，确保乘客可以依赖准确的出发和到达时间。这种统一性在一个日益互联的世界中至关重要，因为人们跨越不同的时区旅行。此外，全球采用平均太阳时间促进了国际交流与合作。在多个国家运营的企业可以更有效地同步其运营，从而提高效率和生产力。如果没有对时间的共同理解，协调会议和截止日期将是一项艰巨的任务。然而，认识到平均太阳时间的局限性也很重要。虽然它提供了一种一致的时间测量，但并未考虑季节变化造成的自然光照差异。这种差异就是为什么许多地区会有夏令时，时钟在某些月份向前或向后调整，以更好地利用日光。总之，平均太阳时间是一个基本概念，支撑着我们在现代世界对时间的理解。通过提供一致和可靠的时间测量，它改变了我们组织生活、开展业务和跨国沟通的方式。随着我们技术的不断进步，平均太阳时间的重要性只会增加，提醒我们时间与日常生活之间复杂的关系。理解这一概念使我们能够欣赏时间计算的复杂性及其对我们生活的影响。