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中文摘要：
通过在技巧上和构造上的数学研究,建造出了从Nn到N的双射函数hn：Nn→N以及hn的逆函数hn-1：N→Nn.这两个函数的出现,使自然数集合N与n个N的笛卡尔积Nn之间的元素具有相互可以转换的一一对应关系.从而有效地实现了一维数据同多维数据之间的转换,并且hn和hn-1在数据的密码设置方面具有实际意义和特殊作用.
英文摘要：
Through studying in technique and constructibility,constructs a bijection and its inverse function are constructed.Because of these two functions,there is an one-to-one correspondence with the property of mutual transformation between the natural number set and the set which is the Cartesian product of n set.Thus One-dimension Data are associated with n-dimensions Data and the transformation between them can be realised.Moreover,the functions also play an important role in transformation of secret code.
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