atomic clock

简明释义

原子钟

英英释义

例句

1.The world's most accurate atomic clock 原子钟 is capable of measuring time to within one second over the age of the universe.

世界上最精确的atomic clock 原子钟 能够在宇宙的年龄内测量时间的误差不超过一秒。

2.The accuracy of an atomic clock 原子钟 makes it essential for scientific research and telecommunications.

由于atomic clock 原子钟 的准确性，它在科学研究和电信中至关重要。

3.The atomic clock 原子钟 at the National Institute of Standards and Technology is so precise that it will not lose or gain a second in over 15 billion years.

国家标准与技术研究院的atomic clock 原子钟 精确到在超过150亿年内不会丢失或增加一秒。

4.GPS satellites rely on atomic clocks 原子钟 to provide accurate positioning data to users around the world.

GPS卫星依赖于atomic clocks 原子钟 为全球用户提供准确的定位数据。

5.In laboratories, scientists use atomic clocks 原子钟 to conduct experiments that require extreme precision.

在实验室中，科学家使用atomic clocks 原子钟 进行需要极高精度的实验。

作文

An atomic clock is a highly precise timekeeping device that uses the vibrations of atoms to measure time. Unlike traditional clocks that rely on mechanical gears or quartz crystals, atomic clocks leverage the natural frequency of atomic transitions to keep time with incredible accuracy. This technology has revolutionized our understanding of time and has numerous applications in various fields, including global positioning systems (GPS), telecommunications, and scientific research.The principle behind an atomic clock is based on the behavior of atoms, particularly cesium or rubidium atoms. When these atoms are exposed to microwave radiation, they oscillate at a specific frequency. For instance, a cesium atom oscillates at a frequency of 9,192,631,770 times per second. By counting these oscillations, an atomic clock can maintain a time standard that is accurate to within billionths of a second.One of the most significant advantages of atomic clocks is their stability over long periods. While traditional clocks can drift and lose accuracy due to environmental factors or mechanical wear, atomic clocks remain stable because the atomic transitions are not influenced by external conditions. This stability makes them ideal for applications requiring precise timing, such as satellite navigation.In GPS technology, for example, satellites equipped with atomic clocks transmit signals that allow receivers on Earth to determine their exact location. The timing information from multiple satellites is used to triangulate positions, which is crucial for navigation systems. Without the precision of atomic clocks, GPS technology would be significantly less accurate, leading to potential errors in navigation and location services.Moreover, atomic clocks play a vital role in scientific research, particularly in experiments involving fundamental physics. Researchers use these clocks to test theories of relativity and to study the nature of time itself. The ability to measure time so accurately allows scientists to conduct experiments that require synchronization across vast distances, furthering our understanding of the universe.In addition to their scientific and technological applications, atomic clocks also have implications for everyday life. They are used to synchronize time across different time zones, ensuring that our world operates smoothly. For instance, the International Bureau of Weights and Measures maintains a network of atomic clocks around the globe, which helps to define the international standard for Coordinated Universal Time (UTC).Despite their complexity, the development of atomic clocks has made it possible to achieve unprecedented levels of accuracy in timekeeping. As technology continues to advance, researchers are working on developing even more precise atomic clocks, potentially using new materials or methods to improve their performance further. The future of timekeeping looks promising, with atomic clocks leading the way in precision and reliability.In conclusion, an atomic clock represents a remarkable achievement in the field of timekeeping. Its ability to measure time with exceptional accuracy has transformed various industries and scientific disciplines. As we continue to explore the mysteries of time and space, atomic clocks will undoubtedly remain at the forefront of our efforts to understand the universe and our place within it.

原子钟是一种高精度的计时装置，利用原子的振动来测量时间。与依赖机械齿轮或石英晶体的传统钟表不同，原子钟利用原子跃迁的自然频率来保持极高的时间准确性。这项技术彻底改变了我们对时间的理解，并在全球定位系统（GPS）、电信和科学研究等多个领域中有着广泛的应用。原子钟的原理基于原子的行为，尤其是铯或铷原子。当这些原子暴露于微波辐射时，它们以特定频率振荡。例如，铯原子每秒振荡9,192,631,770次。通过计算这些振荡，原子钟能够保持精确到十亿分之一秒的时间标准。原子钟的一个显著优点是它们在长时间内的稳定性。虽然传统钟表由于环境因素或机械磨损可能会漂移和失去准确性，但原子钟由于原子跃迁不受外部条件影响而保持稳定。这种稳定性使它们成为需要精确计时的应用的理想选择，例如卫星导航。例如，在GPS技术中，配备原子钟的卫星发射信号，使地球上的接收器能够确定其确切位置。来自多个卫星的时间信息用于三角测量位置，这对于导航系统至关重要。如果没有原子钟的精确性，GPS技术的准确性将大大降低，可能导致导航和位置服务中的潜在错误。此外，原子钟在科学研究中也发挥着重要作用，特别是在涉及基础物理学的实验中。研究人员利用这些钟来检验相对论理论，并研究时间本身的性质。能够如此准确地测量时间使科学家能够进行需要在广阔距离上同步的实验，进一步加深我们对宇宙的理解。除了科学和技术应用外，原子钟还对日常生活产生了影响。它们被用来在不同的时区之间同步时间，确保我们的世界顺利运转。例如，国际计量局在全球范围内维护一张原子钟网络，这有助于定义协调世界时（UTC）的国际标准。尽管原子钟的复杂性，但其发展使得实现前所未有的计时准确性成为可能。随着技术的不断进步，研究人员正在努力开发更精确的原子钟，可能使用新材料或方法进一步提高其性能。未来的计时看起来充满希望，原子钟无疑将在精确性和可靠性方面引领潮流。总之，原子钟代表了计时领域的一项卓越成就。它以极高的准确性测量时间的能力已改变了多个行业和科学学科。随着我们继续探索时间和空间的奥秘，原子钟无疑将继续在我们理解宇宙及我们在其中的位置的努力中占据重要地位。