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CT的概念由来已久。英国科学家Hounsfield首先将它应用于生物学,和EMI(电子音乐工业有限公司)制造了第一台实用的、将X线摄片和计算机结合起来的仪器。美国最早用CT的是
The concept of CT has a long history. Hounsfield, a British scientist, first applied it to biology and EMI (Electronic Music Industries Ltd.) created the first practical instrument to combine X-ray and computer. The earliest use of CT is in the United States