caesium clock

简明释义

铯钟;

英英释义

例句

1.The accuracy of a caesium clock 铯钟 makes it essential for global positioning systems.

一种铯钟 caesium clock的精确性使其对全球定位系统至关重要。

2.Many atomic clocks are based on the principles of the caesium clock 铯钟.

许多原子钟基于铯钟 caesium clock的原理。

3.The development of the caesium clock 铯钟 revolutionized timekeeping.

铯钟 caesium clock的发展彻底改变了计时方式。

4.A caesium clock 铯钟 is often used as a standard for measuring time.

铯钟 caesium clock通常用作时间测量的标准。

5.Scientists use a caesium clock 铯钟 to measure time intervals with extreme precision.

科学家使用铯钟 caesium clock来极其精确地测量时间间隔。

作文

The concept of time has fascinated humanity for centuries, and our ability to measure it accurately has evolved significantly over the years. One of the most remarkable inventions in this field is the caesium clock, which has revolutionized our understanding of timekeeping. The caesium clock (铯钟) is based on the vibrations of caesium atoms, which oscillate at a consistent frequency. This precision allows us to define the second in terms of the vibrations of these atoms, making it one of the most accurate timekeeping devices known to man.The history of the caesium clock dates back to the mid-20th century when scientists sought to improve the accuracy of time measurement beyond mechanical clocks and quartz oscillators. In 1955, researchers at the National Bureau of Standards in the United States developed the first prototype of a caesium clock. It was a groundbreaking achievement, as it demonstrated that atomic transitions could be utilized for precise timekeeping. The caesium clock operates by measuring the microwave radiation emitted or absorbed by caesium atoms when they transition between energy levels. This process occurs at a frequency of 9,192,631,770 cycles per second, which is the basis for defining the second in the International System of Units (SI).The impact of the caesium clock extends far beyond simply keeping time. Its accuracy is crucial for various applications in modern technology. For instance, global positioning systems (GPS) rely on precise time measurement to calculate distances based on the speed of light. Without caesium clocks, GPS would not function effectively, leading to significant errors in navigation. Additionally, telecommunications networks depend on synchronized timing to ensure seamless data transmission, further highlighting the importance of these atomic clocks.Moreover, caesium clocks play a vital role in scientific research. They are used in experiments that test fundamental theories of physics, including Einstein's theory of relativity. By comparing the time experienced by caesium clocks at different altitudes, researchers can observe the effects of gravity on time, providing insights into the nature of space and time itself.As technology continues to advance, so too does the quest for even greater precision in timekeeping. Researchers are exploring new atomic clock designs that utilize other elements, such as strontium or ytterbium, which may offer improved accuracy over current caesium clocks. These next-generation atomic clocks could lead to advancements in quantum computing, navigation, and fundamental physics.In conclusion, the caesium clock (铯钟) represents a significant milestone in our ability to measure time with unprecedented accuracy. Its development has not only transformed timekeeping but also facilitated numerous technological advancements that shape our daily lives. As we continue to explore the mysteries of time and space, the caesium clock remains an essential tool in our quest for knowledge and understanding.

时间的概念几百年来一直吸引着人类，而我们准确测量时间的能力也随着岁月的推移而显著发展。在这个领域中，最引人注目的发明之一就是铯钟，它彻底改变了我们对计时的理解。铯钟是基于铯原子的振动，这些原子以一致的频率振荡。这种精确性使我们能够根据这些原子的振动来定义秒，从而使其成为人类已知的最精确的计时设备之一。铯钟的历史可以追溯到20世纪中叶，当时科学家们寻求超越机械钟和石英振荡器的计时精度。1955年，美国国家标准局的研究人员开发了第一个铯钟原型。这一突破性的成就表明，原子跃迁可以用于精确计时。铯钟通过测量铯原子在能级之间跃迁时发射或吸收的微波辐射来运作。这个过程以每秒9,192,631,770个周期的频率发生，这是国际单位制（SI）中定义秒的基础。铯钟的影响远不止于简单地计时。它的准确性对现代技术中的各种应用至关重要。例如，全球定位系统（GPS）依赖精确的时间测量来根据光速计算距离。如果没有铯钟，GPS将无法有效运作，导致导航中的重大错误。此外，电信网络依赖同步时钟确保无缝数据传输，进一步突显了这些原子钟的重要性。此外，铯钟在科学研究中也发挥着至关重要的作用。它们被用于测试物理学的基本理论，包括爱因斯坦的相对论。通过比较不同海拔高度的铯钟所经历的时间，研究人员可以观察重力对时间的影响，从而提供对空间和时间本质的深入理解。随着科技的不断进步，人们对计时精度的追求也在继续。研究人员正在探索利用其他元素（如锶或镱）设计的新型原子钟，这可能提供比当前铯钟更高的精度。这些下一代原子钟可能会促进量子计算、导航和基础物理学的进步。总之，铯钟（铯钟）代表了我们以空前准确性测量时间的重要里程碑。它的发展不仅改变了计时方式，还促进了塑造我们日常生活的众多技术进步。随着我们继续探索时间和空间的奥秘，铯钟仍然是我们追求知识和理解的重要工具。