permutation
置换
常用释义
英音[ ˌpɜːmjuˈteɪʃ(ə)n ]
美音[ ˌpɜːrmjuˈteɪʃ(ə)n ]
变形
复数:
permutations
基本释义
- n. [数] 排列；[数] 置换
例句
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1·He wants to change one's costume or dress advocate board, make the permutation of chip and circuit more beautiful.他想更换主板的外观，使芯片和电路的排列更加美观。
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2·A key problem of permutation filters is its too many parameters.制约置换滤波器实用的关键是其参数数量过于庞大。
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3·The permutation module and the substitution module are designed.给出了加密算法的置乱模块和替代模块；
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4·But the orthomorphism permutation theory was discussed in binary field.这些正形置换理论是在二元域上讨论的。
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5·The permutation is even if the number of inversions it contains is even.如果一个排列中含有的反序的个数是偶数，则称它为偶排列。
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6·This paper presents a video encryption approach by MacroBlock permutation.研究了基于宏块置乱的视频数据加密技术。
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7·In chapter four, I introduced the technology of ECC and random permutation.第四章介绍了水印的纠错编码和随机置乱技术。
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8·Furthermore, in this thesis, we study a problem on the bit permutation network.此外，在这篇论文里，我们还探讨了一个关于位元排列网路的问题。
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9·Other enumeration problems lead us to the study of orbits of permutation groups.其它的计数问题引导我们去研究置换群的轨道。
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10·With each recursive step, cross products with one additional Permutation Group are formed.伴随每个递归步骤，会形成带有一个额外置换群的向量积。
网络释义
- permutation and combination : n. [数]排列组合
同根词
词根：
permute
permutable
adj
可排列的；能交换的
permute
vt
交换；变更；排列