她决定在大学主修自然科学。

She decided to major in physical science at university.

学校里有一门关于自然科学的课程。

There is a course on physical science at school.

自然科学包括物理学、化学和天文学。

Physical science includes physics, chemistry, and astronomy.

他对自然科学很感兴趣，特别是物理学。

He is very interested in physical science, especially physics.

自然科学的研究帮助我们理解宇宙的运作。

The study of physical science helps us understand how the universe works.

但是他并没有这么说，他认为自然科学极具价值。

He doesn't, he says physical science is extremely valuable.

你可能会想，如果柏克莱拒绝任承认何物质的存在,那么他也就拒绝了自然科学的价值。

You might think that if Berkeley denies the existence of any physical objects he is going to deny the value of physical science.

我的工作是给自然科学的所有出版物编索引.

I had the job of indexing everything published in the physical sciences.

数学是在自然科学中用来探究现象，记录结论的工具。

Mathematics is the instrument used by physical sciences to explore things and record results.

本文的研究工作来源于国家自然科学基金资助项目（60234030）和我校预研课题。

This dissertation is supported by the project of national physical science foundation (60234030) and advanced research of NUDT.