Until then, the dominant theory about color was one that had been proposed by Isaac Newton.
在那之前，关于颜色的主流理论是由艾萨克·牛顿提出的。
2
The greatest mathematicians, as Archimedes, Newton and Gauss, always united theory and application in equal measure.
如阿基米德、牛顿与高斯这样的最伟大的数学家，总是不偏不倚地把理论与应用结合起来。
3
An 18th-century account of how Newton developed the theory of gravity was posted to the Web Monday, making the fragile paper manuscript widely available to the public for the first time。