The time variation of the cosmic ray flux is one of crucial problems in the field of cosmic ray physics, solar geophysics and astrophysics, etc.
宇宙线强度随时间的变化，是宇宙线物理、太阳地球物理和天体物理等交叉学科中的重要问题之一。
参考来源 - 基于小波分析的确1·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
N-UNCOUNT Astrophysics is the study of the physical and chemical structure of the stars, planets, and other natural objects in space. 天体物理学
A new science, Radio ASTROnomy, has emerged, and it is very closely allied to ASTROnomy, ASTRO-physics and physics.
出现了一门新兴学科——无线电天文学，它与天文学、天文物理学和物理学关系密切。
Introductory college physics is aimed at science and engineering majors, while Astro 101 is designed primarily for non science majors.
基础大学物理的开设是针对理工科大学生，而天文学101主要是为非理科生设计的。
A new science, Radio astronomy, has emerged, and it is very closely allied to astronomy, astro - physics and physics.
出现了一门新兴学科——无线电天文学，它与天文学、天文物理学和物理学关系密切。
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