atomic clock

简明释义

原子钟

英英释义

例句

1.The world's most accurate atomic clocks 原子钟 can lose only one second over billions of years.

世界上最精确的atomic clocks 原子钟 在数十亿年内只会失去一秒。

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

GPS卫星依赖于atomic clocks 原子钟 提供精确的位置数据。

3.Scientists are developing new atomic clocks 原子钟 that could help improve navigation systems.

科学家们正在开发新的atomic clocks 原子钟，这可能有助于改善导航系统。

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

实验室中的atomic clock 原子钟 精确到十亿分之一秒。

5.An atomic clock 原子钟 uses the vibrations of atoms to keep time.

一个atomic clock 原子钟 使用原子的振动来计时。

作文

The concept of time has always fascinated humanity. From sundials to mechanical clocks, the evolution of timekeeping devices reflects our quest for precision. Among the most significant advancements in this field is the invention of the atomic clock, a device that revolutionizes how we measure time. An atomic clock (原子钟) is a type of clock that uses the vibrations of atoms to measure time with incredible accuracy.One of the key features of an atomic clock is its reliance on the natural frequency of atoms, typically cesium or rubidium. These atoms oscillate at a consistent frequency, which allows the atomic clock to maintain a level of precision that is unattainable by traditional clocks. For instance, a cesium atomic clock is so precise that it would not lose or gain a second over millions of years. This remarkable accuracy makes atomic clocks essential for various applications, including global positioning systems (GPS), telecommunications, and scientific research.In GPS technology, the synchronization of time is crucial for determining locations. Satellites equipped with atomic clocks transmit signals that allow receivers on Earth to calculate their position based on the time it takes for the signals to arrive. Without the precision provided by atomic clocks, GPS systems would be inaccurate, leading to errors in navigation, which could have serious implications for transportation and logistics.Moreover, atomic clocks play a vital role in maintaining international time standards. The International System of Units (SI) defines the second based on the vibrations of cesium atoms in an atomic clock. This definition ensures that time is measured uniformly around the world, facilitating global communication, commerce, and scientific collaboration.The development of atomic clocks has also opened new avenues for research in physics. For example, scientists use atomic clocks to test fundamental theories of physics, such as general relativity. By observing how time is affected by gravity, researchers can gain insights into the nature of space-time and the universe itself.Despite their complexity, atomic clocks are becoming more accessible. Advances in technology have led to the miniaturization of these devices, allowing them to be integrated into consumer electronics. For instance, some smartphones now incorporate atomic clock technology to ensure accurate timekeeping. This democratization of precision timekeeping means that individuals can benefit from the reliability of atomic clocks in their daily lives.In conclusion, the atomic clock (原子钟) represents a pinnacle of human ingenuity in the pursuit of accurate time measurement. Its unparalleled precision has transformed various fields, from navigation to scientific research. As technology continues to evolve, the influence of atomic clocks will likely expand, further integrating into our lives and enhancing our understanding of time and the universe.