理论天体物理的英文：
theoretical astrophysics

theoretical是什么意思：
adj. 理论的；假设的

These fears are purely theoretical.
这些担忧纯粹是臆测出来的。

This is an introduction to the theoretical and technical issues of translation.
本课程介绍翻译的入门知识。

These findings have both theoretical and practical applications.
这些发现具有理论和实际的应用。

Theoretically the corporative bodies should be autonomous
理论上这些法人团体应该是独立自主的。

He found something theoretical in her outburst.
从这位姑娘气愤的说话中，听出有不够实际的味道。

astrophysics是什么意思：
n. 天体物理学

The introduction emphasized the thoroughly evolutionary nature of modern astrophysics
在绪论中业已强调，现代天体物理学是彻底的承认演化的科学。

This book was written to answer such questions and to provide a means for making astrophysical judgments
写这本书的目的就是要回答诸如此类的问题，并为作出天体物理学的判断提供一种方法。

Much astrophysical information is to be obtained from the intensity of absorption or emission lines
许多天体物理信息要根据吸收线或发射线的强度才能取得。

The amount of light available for astrophysical analysis are usually so small
对天体物理分析来说，可接收到的天体光量是相当小的。

We are entering here into one of the most complex domains in astrophysics
这里我们涉及到了天体物理学中最复杂的领域之一。