By introducing binary fraction and its related operations, a novel block cipher based on chaotic maps is proposed in this paper.
通过引入二进制分数及其相关运算，提出一种新的基于混沌映射的分组密码算法。
Only a tiny fraction of pulsars is in binary systems where their masses can be determined.
而这其中只有很小一部分，因为是处在双星系统中的脉冲星，我们能够确定他们的质量。
In this paper two properties and the general term of binary recurrence sequence are obtained by using the linear fraction recurrence.
本文用分式递推数列处理二元线性递推数列，得到两个性质，进而求得其通项公式。
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