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世界上找不到两个指纹完全相同的人,每个人都有其独一无二的指纹特征,人们可以通过指纹特征来识别不同的人。DNA“指纹”就是把DNA作为像指纹那样的独特特征来识别不同的人。
There are no two people whose fingerprints are the same in the world. Each person has its own unique fingerprint feature. People can identify different people through fingerprint features. DNA “fingerprint” is to identify different people by using DNA as a unique feature like fingerprints.