atomic time

简明释义

原子时原子钟时间原子时间

英英释义

例句

1.In scientific research, experiments often require timing that is based on atomic time (原子时间) to ensure consistency.

在科学研究中，实验通常需要基于atomic time（原子时间）的计时，以确保一致性。

2.Many modern clocks are designed to keep time using atomic time (原子时间) for unparalleled accuracy.

许多现代钟表设计为使用atomic time（原子时间）来保持无与伦比的准确性。

3.The International Bureau of Weights and Measures defines the second in terms of atomic time (原子时间).

国际计量局将秒的定义与atomic time（原子时间）联系在一起。

4.Telecommunication systems depend on atomic time (原子时间) to coordinate data transmission across networks.

电信系统依赖于atomic time（原子时间）来协调网络间的数据传输。

5.The synchronization of GPS satellites relies on accurate measurements of atomic time (原子时间) to provide precise location data.

GPS卫星的同步依赖于对准确的atomic time（原子时间）的测量，以提供精确的位置数据。

作文

In our modern world, the concept of time is often taken for granted. We rely on clocks and calendars to organize our lives, but have you ever wondered how we define time in a scientific context? One of the most precise ways to measure time is through what is known as atomic time. This method utilizes the vibrations of atoms to create an incredibly accurate timekeeping system. Understanding atomic time is essential not only for scientists and researchers but also for the everyday functioning of technology that we often overlook.The basis of atomic time lies in the behavior of atoms, specifically cesium atoms, which are used in atomic clocks. These clocks measure the frequency at which cesium atoms oscillate, providing a standard for time measurement. The International System of Units (SI) defines one second as the duration of 9,192,631,770 cycles of radiation corresponding to the transition between two hyperfine levels of the ground state of the cesium-133 atom. This definition has revolutionized how we perceive time, allowing for a level of precision that was previously unattainable.Before the advent of atomic time, timekeeping methods were based on astronomical observations or mechanical clocks, which could drift over time due to various factors such as temperature changes or wear and tear. However, with the introduction of atomic clocks in the mid-20th century, we entered a new era of timekeeping. These clocks are so precise that they can lose or gain less than a second over millions of years, making them the gold standard for time measurement.The implications of atomic time extend far beyond just keeping track of hours and minutes. In our increasingly digital world, synchronization is crucial. Global Positioning System (GPS) satellites, for instance, rely on atomic time to provide accurate location data. If the timing is off by even a fraction of a second, it can result in significant errors in positioning, affecting navigation systems worldwide. Additionally, telecommunications networks depend on precise timing to ensure data is transmitted efficiently and accurately.Moreover, atomic time plays a vital role in scientific research. Experiments in physics, chemistry, and engineering often require precise timing to measure phenomena accurately. For example, in particle physics, researchers study the behavior of subatomic particles, and any discrepancies in timing can lead to incorrect conclusions. Therefore, maintaining an accurate standard of time is essential for the advancement of science.As we look to the future, the importance of atomic time will only continue to grow. With the development of new technologies such as quantum computing and advancements in space exploration, the need for precise time measurement will become even more critical. Scientists are already working on improving atomic clocks to achieve even greater levels of accuracy, potentially leading to breakthroughs in various fields.In conclusion, atomic time is not just a scientific curiosity; it is a fundamental aspect of our modern existence. From the way we navigate our world to how we conduct scientific experiments, the precision of atomic time underpins many of the technologies we rely on daily. As we continue to explore the universe and push the boundaries of human knowledge, understanding and utilizing atomic time will be paramount in shaping the future of science and technology.

在我们现代世界，时间的概念常常被视为理所当然。我们依赖时钟和日历来组织生活，但你有没有想过我们如何在科学上定义时间？一种测量时间的最精确方法是通过所谓的原子时间。这种方法利用原子的振动来创建一个极其准确的计时系统。理解原子时间不仅对科学家和研究人员至关重要，而且对我们经常忽视的技术的日常运作也至关重要。原子时间的基础在于原子的行为，特别是铯原子，这些原子用于原子钟。这些钟测量铯原子的振荡频率，提供了时间测量的标准。国际单位制（SI）将一秒钟定义为铯-133原子基态两个超精细能级之间跃迁对应辐射的9,192,631,770个周期的持续时间。这个定义彻底改变了我们对时间的看法，使我们能够实现以前无法达到的精度。在原子时间出现之前，计时方法主要基于天文观测或机械时钟，由于温度变化或磨损等各种因素，这些时钟可能会随着时间的推移而漂移。然而，随着20世纪中叶原子钟的引入，我们进入了一个新的计时时代。这些钟的精度如此之高，以至于它们在数百万年内可能只会损失或增加不到一秒，使它们成为时间测量的黄金标准。原子时间的影响远不止于跟踪小时和分钟。在我们日益数字化的世界中，同步至关重要。全球定位系统（GPS）卫星，例如，依赖于原子时间来提供准确的位置数据。如果时间偏差甚至仅仅是几分之一秒，就可能导致定位的重大错误，影响全球的导航系统。此外，电信网络依赖于精确的时间来确保数据的有效和准确传输。此外，原子时间在科学研究中也发挥着重要作用。物理、化学和工程领域的实验通常需要精确的时间来准确测量现象。例如，在粒子物理学中，研究人员研究亚原子粒子的行为，任何时间上的差异都可能导致不正确的结论。因此，保持准确的时间标准对于科学的进步至关重要。展望未来，原子时间的重要性只会继续增长。随着量子计算和太空探索等新技术的发展，对精确时间测量的需求将变得更加关键。科学家们已经在努力改进原子钟，以实现更高水平的精度，可能会导致各个领域的突破。总之，原子时间不仅仅是一个科学好奇心；它是我们现代存在的基本方面。从我们如何导航世界到我们如何进行科学实验，原子时间的精确性支撑着我们每天依赖的许多技术。随着我们继续探索宇宙并推动人类知识的边界，理解和利用原子时间将在塑造科学和技术的未来中至关重要。