atomic clock

简明释义

原子钟

英英释义

例句

1.The development of the atomic clock 原子钟 revolutionized timekeeping methods.

原子钟 atomic clock的发展彻底改变了计时方法。

2.The atomic clock 原子钟 in the laboratory is accurate to within a billionth of a second.

实验室里的原子钟 atomic clock的精确度在十亿分之一秒之内。

3.An atomic clock 原子钟 can remain accurate for millions of years without needing adjustment.

一台原子钟 atomic clock可以在不需要调整的情况下保持数百万年的准确性。

4.GPS satellites rely on atomic clocks 原子钟 to provide precise location data.

GPS卫星依赖于原子钟 atomic clocks来提供精确的位置数据。

5.Scientists use atomic clocks 原子钟 to measure time intervals with extreme precision.

科学家使用原子钟 atomic clocks来极其精确地测量时间间隔。

作文

The concept of time has always fascinated humanity. From the sundials of ancient civilizations to the modern digital clocks we rely on today, our methods of measuring time have evolved significantly. One of the most remarkable advancements in this field is the invention of the atomic clock, which has revolutionized how we understand and utilize time. An atomic clock is a highly precise timekeeping device that uses the vibrations of atoms to measure time accurately. This technology has not only improved our ability to keep time but has also had profound implications for various fields, including telecommunications, navigation, and scientific research.The principle behind an atomic clock lies in the behavior of atoms, particularly cesium or rubidium atoms. These atoms oscillate at a very consistent frequency, which serves as a natural reference point for time measurement. For instance, the International System of Units (SI) defines one second based on the vibrations of cesium atoms, specifically 9,192,631,770 cycles of radiation corresponding to the transition between two energy states of the cesium-133 atom. This level of precision is unattainable with traditional mechanical clocks, making the atomic clock an essential tool for modern science.One of the most significant applications of atomic clocks is in global positioning systems (GPS). GPS relies on a network of satellites equipped with atomic clocks to provide accurate location data. Each satellite broadcasts signals that include the time the signal was sent, allowing GPS receivers to calculate their position based on the time it takes for the signals to reach them. Without the precision of atomic clocks, GPS technology would be far less accurate, leading to potential errors in navigation that could have serious consequences.Moreover, atomic clocks play a crucial role in scientific research, particularly in experiments that require synchronization across different locations. For example, in particle physics, experiments conducted at facilities like CERN rely on precise timing to coordinate data collection from multiple detectors. The synchronization provided by atomic clocks ensures that researchers can accurately analyze the results of their experiments, leading to groundbreaking discoveries in our understanding of the universe.The impact of atomic clocks extends beyond practical applications; they also challenge our philosophical understanding of time. Traditional notions of time are often linear and subjective, but the precision of atomic clocks introduces a more objective measure. This raises questions about the nature of time itself: Is it an absolute entity, or is it merely a construct of human perception? Such inquiries have implications in fields ranging from physics to philosophy, encouraging us to rethink how we perceive and interact with time.In conclusion, the atomic clock represents a significant milestone in our quest to understand and measure time. Its unparalleled accuracy has transformed various industries and scientific disciplines, enabling advancements that were once thought impossible. As we continue to explore the mysteries of time and space, the atomic clock will undoubtedly remain a vital tool in our journey toward deeper knowledge and understanding. The future holds exciting possibilities, and as technology continues to evolve, so too will our methods of measuring the passage of time, with atomic clocks at the forefront of this evolution.

时间的概念一直吸引着人类。从古代文明的日晷到我们今天依赖的现代数字时钟，我们测量时间的方法经历了显著的演变。在这个领域中，原子钟的发明是最为显著的进步之一，它彻底改变了我们理解和利用时间的方式。原子钟是一种高度精确的计时设备，利用原子的振动来准确地测量时间。这项技术不仅提高了我们保持时间的能力，还对电信、导航和科学研究等多个领域产生了深远的影响。原子钟的原理在于原子的行为，特别是铯或铷原子。这些原子以非常一致的频率振荡，作为时间测量的自然参考点。例如，国际单位制（SI）根据铯原子的振动定义了一秒，具体为铯-133原子两个能量状态之间的辐射过渡对应的9,192,631,770个周期。这种精度是传统机械钟所无法达到的，使得原子钟成为现代科学的重要工具。原子钟最重要的应用之一是在全球定位系统（GPS）中。GPS依赖于配备有原子钟的卫星网络提供准确的位置数据。每颗卫星广播的信号中都包含信号发送的时间，允许GPS接收器根据信号到达所需的时间来计算其位置。如果没有原子钟的精确性，GPS技术的准确性将大大降低，导致导航中的潜在错误，这可能会产生严重后果。此外，原子钟在科学研究中也发挥着至关重要的作用，特别是在需要跨不同地点同步的实验中。例如，在粒子物理学中，像CERN这样的设施进行的实验依赖于精确的计时来协调来自多个探测器的数据收集。原子钟提供的同步确保研究人员可以准确分析实验结果，从而推动我们对宇宙的理解的突破性发现。原子钟的影响超越了实际应用；它们还挑战了我们对时间的哲学理解。传统的时间观念往往是线性和主观的，但原子钟的精确性引入了一种更客观的衡量标准。这引发了关于时间本质的问题：它是一个绝对实体，还是仅仅是人类感知的构造？这样的探讨在物理学到哲学等领域都有影响，鼓励我们重新思考如何感知和与时间互动。总之，原子钟代表了我们理解和测量时间的重大里程碑。它无与伦比的准确性转变了多个行业和科学学科，使曾被认为不可能的进步成为可能。随着我们继续探索时间和空间的奥秘，原子钟无疑将成为我们深入知识和理解旅程中的重要工具。未来充满令人兴奋的可能性，随着技术的不断发展，我们测量时间流逝的方法也将不断演变，而原子钟将处于这一演变的前沿。