现代科学技术的发展复习（Review of the development of modern science and technology）.docVIP

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现代科学技术的发展复习（Review of the development of modern science and technology）.doc

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现代科学技术的发展复习（Review of the development of modern science and technology） The development of modern science and technology I. Development of modern science and technology (I) the great progress of physics in the late twentieth Century and early nineteenth Century 1. background: the emergence of physics crisis In nineteenth Century, along with the progress of research in physics, classical mechanics can not explain some of the problems encountered in the study, facing the challenge of crisis of physics. The typical example: at the end of nineteenth Century and early twentieth Century, electronic and radiological findings, opened the atomic gate, understanding of the material into the inside of an atom. A large number of experiments have proved that the microscopic particle motion can not be explained by the classical mechanics theory. 2. the creation of relativity In early twentieth Century, Einstein put forward the theory of relativity The main contents of the theory of Relativity: special relativity; general relativity The relativity of the historical significance The theory of relativity has opened up a broad road for its pioneering and innovative spirit for the development of physics, has caused a profound revolution in physics, and quantum theory together with modern science and technology, promote the breakthrough in the development of the theory of relativity and quantum mechanics are the two basic pillars of modern physics. The relativity theory reveals the dialectical relation between time and space, links space, time and matter, deepens peoples understanding of matter and movement, and creates a new space-time concept. Relativity develops Newtonian mechanics, generalizes it in relativistic mechanics, and pushes physics to a new height. The law of relativity of mass and energy of relativity, reveals the secrets of great nuclear energy in the atom, and presents a broad prospect for the peaceful use of nuclear energy by mankind. The new space-time theory of rela