This is an encyclopedia about time. 这是一本关于时间的百科全书 This book takes the measurement of time as its central theme. It begins by introducing knowledge related to timekeeping, including how disciplines such as astronomy, metrology, Newtonian mechanics, and relativity were established through the understanding of time. It then explores monumental historical transformations and intriguing anecdotes tied to time measurement, such as the Age of Exploration and the Industrial Revolution, while also highlighting ancient China's achievements in astronomical observation and calendar systems. In its later sections, the book focuses on the current state of time measurement and its applications in modern science, as well as in domains critical to national development and people's livelihoods, helping readers grasp the significance of research in time measurement. Finally, it offers a forward-looking perspective on the future of time and its measurement. 本书以计时为线索,首先介绍与时间计量相关的知识,包括天文学、计量学、牛顿力学、相对论等是如何通过对时间的认识建立起来的;然后介绍诸如大航海、工业革命之类波澜壮阔的与时间计量相关的重大历史变革、趣闻轶事,也包括我国古代在天文观测与历法方面的成就;后半部分重点介绍时间计量的现状及其在现代科学、国计民生领域的应用,方便读者了解时间计量研究的重要意义;最后对时间及其计量的未来进行了展望。
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $20. ThriftBooks.com. Read more. Spend less.