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2009年职称英语考试理工类C级完型填空专项训练电子书
1Biological Identification Technologies
When a person walks, the movement of his head, trunk, hipbones(股骨) and limbs(肢体) are all reflected in changes in his body. A computer 1 these changes into a database(数据库). Later, the computers can 2 identify him according to these changes.
1Biological Identification Technologies
When a person walks, the movement of his head, trunk, hipbones(股骨) and limbs(肢体) are all reflected in changes in his body. A computer 1 these changes into a database(数据库). Later, the computers can 2 identify him according to these changes.
