atomic time system
简明释义
原子时间系统
英英释义
例句
1.Research in physics often requires the precision of the atomic time system 原子时间系统 for experiments.
物理学研究通常需要原子时间系统 atomic time system的精确性进行实验。
2.Scientists use the atomic time system 原子时间系统 to measure time intervals with extreme precision.
科学家使用原子时间系统 atomic time system来极其精确地测量时间间隔。
3.Many modern clocks are designed to sync with the atomic time system 原子时间系统 to ensure accuracy.
许多现代时钟设计为与原子时间系统 atomic time system同步,以确保准确性。
4.The GPS satellites rely on the atomic time system 原子时间系统 to provide accurate positioning data.
GPS卫星依赖于原子时间系统 atomic time system来提供精确的定位数据。
5.The atomic time system 原子时间系统 is essential for synchronization in telecommunications.
在电信中,原子时间系统 atomic time system对于同步是至关重要的。
作文
The concept of time has always fascinated humanity, from the ancient sundials to the modern clocks that adorn our walls. However, as technology has advanced, so too has our understanding of time. One of the most significant advancements in this field is the development of the atomic time system. This system has revolutionized how we measure and perceive time, providing an unprecedented level of accuracy that was previously unattainable.The atomic time system is based on the vibrations of atoms, specifically cesium atoms, which oscillate at a consistent frequency. This consistency allows scientists to define a second with remarkable precision. In fact, the International System of Units (SI) defines one second as the duration of 9,192,631,770 periods of the radiation corresponding to the transition between two hyperfine levels of the ground state of the cesium-133 atom. This definition highlights the incredible accuracy that the atomic time system provides, as it is not influenced by external factors such as temperature or pressure.Before the advent of the atomic time system, time was measured using astronomical observations, such as the position of the sun or stars. While these methods were adequate for everyday use, they lacked the precision required for scientific research and technological advancements. The introduction of atomic clocks in the mid-20th century marked a turning point in timekeeping. These clocks are capable of measuring time to within billionths of a second, making them essential for various applications, including global positioning systems (GPS), telecommunications, and scientific research.One of the most notable features of the atomic time system is its ability to maintain synchronization across the globe. With the implementation of Coordinated Universal Time (UTC), which is based on the atomic time system, countries can synchronize their clocks to a universal standard. This synchronization is crucial for international travel, communication, and trade, ensuring that people and businesses operate on the same time frame.Moreover, the atomic time system has implications beyond mere timekeeping. It plays a vital role in the field of physics, particularly in the study of relativity. Einstein's theory of relativity posits that time is relative and can vary depending on the observer's speed and gravitational field. By utilizing the precision of the atomic time system, scientists can conduct experiments that test the limits of this theory, furthering our understanding of the universe.In conclusion, the atomic time system represents a monumental leap forward in our ability to measure and understand time. Its unparalleled accuracy and global synchronization capabilities have transformed various fields, from science to everyday life. As we continue to explore the intricacies of time, the atomic time system will undoubtedly remain a cornerstone of our understanding, guiding us through the complexities of the universe with precision and clarity.
时间的概念一直吸引着人类,从古代的日晷到现代的时钟。然而,随着科技的进步,我们对时间的理解也在不断深化。其中,一个重要的进展就是发展出了原子时间系统。该系统彻底改变了我们测量和感知时间的方式,提供了前所未有的准确性,这是以前无法实现的。原子时间系统基于原子的振动,特别是铯原子的振动,这些原子以一致的频率振荡。这种一致性使科学家能够以惊人的精确度定义一秒钟。实际上,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辐射的9192631770个周期的持续时间。这个定义突显了原子时间系统提供的不可思议的准确性,因为它不受温度或压力等外部因素的影响。在原子时间系统出现之前,时间是通过天文观测来测量的,例如太阳或星星的位置。虽然这些方法适合日常使用,但缺乏科学研究和技术进步所需的精确性。20世纪中叶,原子钟的引入标志着计时的转折点。这些时钟能够以十亿分之一秒的精度测量时间,使其在全球定位系统(GPS)、电信和科学研究等各种应用中至关重要。原子时间系统的一个显著特征是其保持全球同步的能力。通过实施基于原子时间系统的协调世界时(UTC),各国可以将其时钟同步到一个统一的标准。这种同步对于国际旅行、通信和贸易至关重要,确保人们和企业在同一时间框架内运作。此外,原子时间系统不仅在计时方面具有重要意义。它在物理学领域中发挥着重要作用,尤其是在相对论研究中。爱因斯坦的相对论理论认为,时间是相对的,可能因观察者的速度和引力场而异。通过利用原子时间系统的精确性,科学家可以进行实验,检验这一理论的极限,进一步加深我们对宇宙的理解。总之,原子时间系统代表了我们测量和理解时间的巨大飞跃。其无与伦比的准确性和全球同步能力已改变了从科学到日常生活的各个领域。随着我们继续探索时间的复杂性,原子时间系统无疑将继续成为我们理解的基石,以精确和清晰的方式引导我们穿越宇宙的复杂性。
相关单词