mean solar clock

简明释义

时钟

英英释义

例句

1.The mean solar clock 平均太阳时钟 is essential for accurate navigation at sea.

在海上航行时，平均太阳时钟 平均太阳时钟对于准确导航至关重要。

2.Understanding the mean solar clock 平均太阳时钟 can help people appreciate the natural cycles of day and night.

理解平均太阳时钟 平均太阳时钟可以帮助人们欣赏昼夜的自然循环。

3.To synchronize our watches, we need to set them according to the mean solar clock 平均太阳时钟 at noon.

为了同步我们的手表，我们需要在中午根据平均太阳时钟 平均太阳时钟进行设置。

4.Farmers often rely on the mean solar clock 平均太阳时钟 to determine the best times for planting and harvesting.

农民通常依赖于平均太阳时钟 平均太阳时钟来确定最佳的种植和收获时间。

5.The mean solar clock 平均太阳时钟 helps us understand the concept of time based on the Earth's rotation.

这个平均太阳时钟 平均太阳时钟帮助我们理解基于地球自转的时间概念。

作文

The concept of time has fascinated humans for centuries, and one of the most significant developments in our understanding of time is the invention of the clock. Among various types of clocks, the mean solar clock stands out as a fundamental tool for measuring time based on the Earth's rotation relative to the Sun. The mean solar clock is designed to provide a consistent measure of time that averages out the variations caused by the Earth's elliptical orbit and axial tilt. This consistency is crucial for daily life, scientific research, and navigation.To understand the importance of the mean solar clock, we must first delve into how time was traditionally measured. Before the advent of mechanical clocks, people relied on sundials, which indicated time based on the position of the sun in the sky. However, this method was not reliable throughout the day or across different seasons due to the changing angle of sunlight. The introduction of the mean solar clock addressed these inconsistencies by averaging the solar time over a year, leading to a more uniform experience of time.The mean solar clock operates on the principle of a 'mean solar day,' which is defined as the average length of a day over the course of a year. This average is approximately 24 hours, although the actual solar day can vary slightly due to the Earth's orbital mechanics. By using the mean solar clock, we can standardize time across different regions, allowing for synchronized activities and communication, which are essential in today's interconnected world.In practical terms, the mean solar clock serves as the basis for Coordinated Universal Time (UTC), which is the time standard used worldwide. UTC is crucial for activities such as international travel, global finance, and telecommunications. Without the standardization provided by the mean solar clock, coordinating events across different time zones would be chaotic and prone to errors.Moreover, the mean solar clock plays a vital role in scientific research. Accurate timekeeping is essential for experiments, observations, and data collection in fields such as astronomy, physics, and environmental science. For instance, astronomers rely on precise timing to track celestial events and measure distances in space. The reliability of the mean solar clock ensures that scientists can replicate experiments and verify results, which is fundamental to the scientific method.In conclusion, the mean solar clock is more than just a device for telling time; it is a cornerstone of modern society that enables us to organize our lives, conduct scientific research, and interact with one another across vast distances. As technology continues to evolve, the principles behind the mean solar clock will remain relevant, reminding us of the intricate relationship between time and our daily existence. Understanding this concept not only enhances our appreciation for timekeeping but also highlights the importance of precision in a world that often feels rushed and chaotic. The mean solar clock serves as a reminder that while time may seem constant, its measurement requires careful consideration and respect for the natural rhythms of our planet.

时间的概念几世纪以来一直吸引着人类，而我们对时间理解的一个重要发展就是钟表的发明。在各种类型的钟表中，平均太阳钟作为一种基于地球相对于太阳的旋转来测量时间的基本工具而脱颖而出。平均太阳钟旨在提供一个一致的时间测量，这种测量平均了因地球椭圆轨道和轴倾斜所造成的变化。这种一致性对于日常生活、科学研究和导航至关重要。要理解平均太阳钟的重要性，我们首先必须深入了解传统上如何测量时间。在机械钟表出现之前，人们依靠日晷，根据太阳在天空中的位置来指示时间。然而，由于阳光角度的变化，这种方法在一天中的不同时间或不同季节并不可靠。平均太阳钟的引入通过平均一年的太阳时间来解决这些不一致性，从而导致时间体验更加统一。平均太阳钟基于“平均太阳日”的原则，该原则被定义为一年内一天的平均长度。这个平均值大约是24小时，尽管实际的太阳日可能由于地球的轨道力学而略有变化。通过使用平均太阳钟，我们可以在不同地区标准化时间，从而允许同步活动和沟通，这在今天这个互联的世界中至关重要。在实际操作中，平均太阳钟作为协调世界时（UTC）的基础，UTC是全球使用的时间标准。UTC对于国际旅行、全球金融和电信等活动至关重要。如果没有平均太阳钟提供的标准化，不同时间区域之间的事件协调将会混乱且容易出错。此外，平均太阳钟在科学研究中也发挥着重要作用。准确的计时对于天文学、物理学和环境科学等领域的实验、观察和数据收集至关重要。例如，天文学家依赖精确的计时来追踪天体事件和测量太空中的距离。平均太阳钟的可靠性确保科学家能够重复实验和验证结果，这对科学方法至关重要。总之，平均太阳钟不仅仅是一个告诉时间的设备；它是现代社会的基石，使我们能够组织生活、进行科学研究以及在广阔的距离上进行互动。随着技术的不断发展，平均太阳钟背后的原则将继续保持相关性，提醒我们时间与日常生活之间复杂的关系。理解这一概念不仅增强了我们对计时的欣赏，也突出了在一个常常感到匆忙和混乱的世界中精确的重要性。平均太阳钟提醒我们，虽然时间似乎是恒定的，但其测量需要仔细考虑和对我们星球自然节奏的尊重。