求翻译：当一门科学从描述性的定性阶段发展到能以定量和解释的方式表达相互关系的阶段时，该门学科就以数学的形式出现了。天文学曾一度是一门描述性的科学。但是，开普勒和牛顿的工作确立了这样的基础，利用这些基础，天体运动规律可用数学来表示。正是在这个意义上，数学有时被称为科学的语言。当科学的结论采用定量的方式表达，并频繁的启发新的实验时，就要使用数学的假设命题了；另一方面，观察到的科学数据极其复杂，会刺激数学的发展，并拓宽数学的基础是什么意思？

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When a branch of science with the description of the development of qualitative phase can be expressed in the form in order to quantify and explain the interrelationship between the disciplines on stage, when a mathematical forms. Astronomy was once a descriptive science. However, Kepler and Newton'

When a science from descriptive quantitative and qualitative stage of development to be able to explain the way relationships when the subject appear in mathematics. Once a descriptive science in astronomy. However, Kepler and Newton's work to establish such a basis, take advantage of these basic, a