atomic time

简明释义

原子时

英英释义

例句

1.The accuracy of GPS systems relies on the synchronization of signals with atomic time.

GPS系统的准确性依赖于与原子时间信号的同步。

2.The leap seconds added to Coordinated Universal Time are adjustments to align it with atomic time.

添加到协调世界时间的闰秒是为了将其与原子时间对齐的调整。

3.For accurate navigation, modern ships are equipped with devices that measure atomic time.

为了确保导航的准确性，现代船只配备了测量原子时间的设备。

4.Scientists use atomic time to ensure precision in experiments involving time-sensitive measurements.

科学家使用原子时间来确保涉及时间敏感测量的实验精确。

5.The International Atomic Time (TAI) is based on atomic time standards set by atomic clocks.

国际原子时间（TAI）是基于原子钟设定的原子时间标准。

作文

In our fast-paced world, the concept of time has evolved significantly. One of the most precise ways to measure time is through what scientists refer to as atomic time. This term relates to the measurement of time based on the vibrations of atoms, specifically cesium atoms, in atomic clocks. These clocks are incredibly accurate, deviating by only a second over millions of years. The invention of atomic time has revolutionized how we understand and utilize time in various fields, from global positioning systems (GPS) to telecommunications and scientific research.The principles behind atomic time can be traced back to the fundamental nature of atoms. Atoms are the building blocks of matter, and each atom has a specific frequency at which it vibrates. In the case of cesium, its vibrations are used as a standard for defining the second. This means that one second is defined 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 level of precision ensures that atomic time is consistent and reliable.As technology advances, the importance of atomic time becomes increasingly apparent. For instance, GPS satellites rely on this precise measurement to provide accurate location data. Without atomic time, the system would be unable to function correctly, leading to significant errors in navigation. Furthermore, in telecommunications, atomic time ensures that signals are synchronized, allowing for seamless communication across vast distances.Moreover, atomic time plays a crucial role in scientific research. Experiments in physics often require precise timing to ensure accurate results. For example, particle accelerators depend on atomic time to synchronize collisions between particles, enabling scientists to study fundamental particles and forces. The precision of atomic time allows researchers to explore the universe's mysteries with unprecedented accuracy.Despite its advantages, the concept of atomic time also introduces challenges. As our reliance on technology increases, so does the need for synchronization. The International System of Units (SI) has adopted atomic time as the standard for measuring time, but discrepancies can arise due to variations in gravitational fields and relativistic effects. This necessitates periodic adjustments to ensure that our timekeeping remains accurate.In conclusion, atomic time represents a remarkable achievement in our quest to understand and measure time. Its unparalleled accuracy has transformed various fields, from navigation to scientific exploration. As we continue to advance technologically, the significance of atomic time will only grow, reminding us of the intricate relationship between time, science, and our everyday lives. Understanding atomic time not only enhances our comprehension of time itself but also highlights the importance of precision in an increasingly complex world.

在我们快节奏的世界中，时间的概念发生了显著变化。科学家所称的原子时间是测量时间的最精确方式之一。这个术语与基于原子的振动，特别是铯原子的振动来测量时间有关，原子钟的精度极高，数百万年内只偏差一秒。原子时间的发明彻底改变了我们在各个领域对时间的理解和利用，从全球定位系统（GPS）到电信和科学研究。原子时间背后的原理可以追溯到原子的基本性质。原子是物质的基本构件，每个原子都有一个特定的振动频率。在铯的情况下，它的振动被用作定义秒的标准。这意味着一秒被定义为铯-133原子基态两个超精细能级之间的辐射转变的9192631770个周期的持续时间。这种精确度确保了原子时间的一致性和可靠性。随着技术的进步，原子时间的重要性变得愈发明显。例如，GPS卫星依赖这种精确的测量来提供准确的位置数据。如果没有原子时间，该系统将无法正常运行，导致导航中的重大误差。此外，在电信领域，原子时间确保信号的同步，使得跨越广阔距离的通信无缝进行。此外，原子时间在科学研究中也发挥着至关重要的作用。物理学中的实验往往需要精确的时机以确保结果的准确性。例如，粒子加速器依赖于原子时间来同步粒子之间的碰撞，使科学家能够研究基本粒子和力。原子时间的精确性使研究人员能够以前所未有的准确性探索宇宙的奥秘。尽管有其优势，原子时间的概念也带来了挑战。随着我们对技术的依赖增加，对同步的需求也随之增加。国际单位制（SI）已将原子时间作为测量时间的标准，但由于引力场和相对论效应的变化，可能会出现差异。这就需要定期进行调整，以确保我们的计时保持准确。总之，原子时间代表了我们在理解和测量时间方面的卓越成就。其无与伦比的准确性改变了从导航到科学探索的各个领域。随着我们技术的不断进步，原子时间的重要性只会增加，提醒我们时间、科学与日常生活之间复杂的关系。理解原子时间不仅增强了我们对时间本身的理解，还突显了在日益复杂的世界中精确性的必要性。