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
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。
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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