| 摘要 |
An additive consisting of composition matter made up, according to a discrimination information composed of more than one signs repeatedly appear as more than one patterns, by making each of specific materials be correspond to each of the patterns, is added to a matter to be discriminated to add discrimination information that there is no fear of being stolen by third party. The more than one signs may be 0 and 1, and the more than one patterns may be 00, 01, 10 and 11. Further, the specific materials may be adenine, cytosine, guanine and thymine, and the composition matter may be artificial DNA. The matter maintaining discrimination information may be such matter to be identified directly like commodity or ID cards. Or it may be labels to be attached on objectives to be identified or such matter like ink printed on objectives to be identified.
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