1·In this book, Newton described universal gravitation and the three laws of motion, which dominated the scientific view of the physical universe for the next three centuries.
在这本书里，牛顿阐述了万有引力和力学三大定律，接下来的三个世纪，这些理论在物理科学领域占据主导地位。
2·Such as, if Newtondoesn't curious about the reason why the apple will drop on the ground, how can he discover the universal gravitation.
例如，如果牛顿不好奇为什么苹果会掉在地上，他怎么能发现万有引力。
3·As you know, only universal gravitation and electromagnetic force are long-distance force in the universe.
我们知道，宇宙中只有万有引力和电磁力这两种长程力。
4·He has negated Newton's universal gravitation, and said that if Newton's theory were right, the earth would have long been drawn to the sun.
他否定牛顿的万有引力，说“如果真是那样的话，地球早被吸到太阳上去了”。
5·A unsupervised classification method was proposed based on universal gravitation.
提出了一种基于万有引力的非监督自组织聚类算法。