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19世纪未20世纪初以来物理学经历了一场大革命,相对论和量子理论相继诞生,物质结构层次从分子、原子到基本粒子被先后一一揭示出来,整个物理学研究面目全新。现代物理学基本上是按照组成物质的结构层次来进行学科分类的。于是两个极端分别有粒子物理和凝聚态物理。介于其问有核物理、
Since the early 20th century, physics has experienced a great revolution in the 19th century. Relativity theory and quantum theory have been born one after another. The physical structure level has been revealed from molecules and atoms to basic particles one after another. The whole study of physics is entirely new. Modern physics is basically in accordance with the structural level of the composition of materials to carry out subject classification. So the two extremes are particle physics and condensed matter physics. Between its asking nuclear physics,