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本附件包括：

• University of California Press - Newton, I. - Mathematical Principles of Natural Philosophy and His System of the World, Vol. 1; The Motion of Bodies (1934).djvu
• University of California Press - Newton, I. - Mathematical Principles of Natural Philosophy and His System of the World, Vol. 2; The System of the World (1934).djvu
• djvu绿色阅读器.rar