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随机群
相关语句
  random group
     Random group and random permutation of IDEA
     IDEA的随机群和随机置换
短句来源
     The application of the random group to IDEA is valuable by our analysis to calculating amount and security.
     将随机群方法应用于强化分组密码IDEA,并经过对计算量、安全强度的分析表明这种强化是值得的。
短句来源
     Two strenthening methods are presented for the round function of the iterated block ciphers, named random group and random permutation.
     提出了对迭代分组密码IDEA的轮函数的两种强化方法———随机群和随机置换 .
短句来源
     The advantages and implementations are discussed about random algorithms of block ciphers. Some implementations are described about random algorithms in block ciphers CAST and SAFER + , which are called random box, random network and random group respectively.
     讨论了分组密码随机算法的优点和实现问题,并描述了随机算法在CAST和SAFER+中的若干实现,分别称为随机盒、随机网络和随机群
短句来源
  相似匹配句对
     A Survey on Random Fields
     机场概论
短句来源
     Pearl Or Glazed Ball?
     珠探秘
短句来源
     Research on OpenMP Towards Cluster Systems
     机群系统OpenMP研究
短句来源
     Two strenthening methods are presented for the round function of the iterated block ciphers, named random group and random permutation.
     提出了对迭代分组密码IDEA的轮函数的两种强化方法———机群机置换 .
短句来源
     The algorithm is implemented on a workstation cluster.
     该算法在工作站机群上实现。
短句来源
查询“随机群”译词为用户自定义的双语例句

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  random group
The usefulness of a non-random group selection method in the improvement of a character influenced by interactions among individuals has been experimentally tested in a population of Tribolium castaneum.
      
In a random group of five patients undergoing thermotherapy with Thermex II (Direx Systems), the temperature in the region of the external sphincter was measured using a modified Thermex catheter.
      
A random group of 300 donors living in the district of ?eské Budějovice (southern Bohemia) have been investigated for the incidence of the individual phenotypes of red cell acid phosphatase.
      
This study presents a complete mutational screening of the FATE gene in a random group of 144 infertile males.
      
Evaluation of pelvic floor muscle function in a random group of adult women in Austria
      
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The branch de cies of 4 Kobresia species are investigated by the align-ment sampling method.By t-test of variance:mean ratio x~2-test aridMorista index,the results show that:the distribution pattern of AlpineKobrasia (Kobresis pygmaea)is random contagious and that of Capil-lary leaf Kobresia(K.capillifolia),Tiuzhi Kobrosia(K.jiuzhiana)andDwarf Kobresia (K.hnmilis),nonrandom contagious.The contagiouspatche is not found in Dwarf Kobresia species,but two patehes found in theother throe species and the correlation...

The branch de cies of 4 Kobresia species are investigated by the align-ment sampling method.By t-test of variance:mean ratio x~2-test aridMorista index,the results show that:the distribution pattern of AlpineKobrasia (Kobresis pygmaea)is random contagious and that of Capil-lary leaf Kobresia(K.capillifolia),Tiuzhi Kobrosia(K.jiuzhiana)andDwarf Kobresia (K.hnmilis),nonrandom contagious.The contagiouspatche is not found in Dwarf Kobresia species,but two patehes found in theother throe species and the correlation coefficient between 2 species inevery samples are calculated.

运用序列样方法,调查了四种嵩草枝条密度,通过方差:均值t 检验法、x~2值检验法和森下(Morisita)捐数Ⅰ_Δ判别法初步得出:高山嵩草分布格局为随机的群聚型;线叶嵩草、别氏嵩草和矮嵩草分布格局都属于非随机的群聚型。高山嵩草没有发现群聚斑块存在,其余三种嵩草有二个群聚斑块存在。并计算了各级样方内两两种的相关系数。

Based on building the model of electromagnetic scattering due to plane wave incidence of composite chiral spheres in random aggregate distribution, this paper has presented, by the use of boundary value technique, the matric form of simultaneous boundary condition solution to the far scattering field, and further formulated the normalized scattering cross section, which is of eminent theoretical importance not only in RCS measurement but also in studying how electromagnetic wave and chiral material act on each...

Based on building the model of electromagnetic scattering due to plane wave incidence of composite chiral spheres in random aggregate distribution, this paper has presented, by the use of boundary value technique, the matric form of simultaneous boundary condition solution to the far scattering field, and further formulated the normalized scattering cross section, which is of eminent theoretical importance not only in RCS measurement but also in studying how electromagnetic wave and chiral material act on each other, and how bi static cross sections are affected by various parameters. In numerical simulation, the variation of the normalized scattering cross section with the scattering angle is given for eight chiral spheres under the planar electromagnetic wave end fire, of same size and physical parameters closely arranged along the z axis with the first one centered on the origin. The result reveals that normalized bi static cross section increases from forward scattering to back scattering orientation and reaches its maximum in the back scattering orientation.

在建立随机群聚复合手征球平面电磁波散射模型的基础上,利用边值技术给出了远区散射场同时边界条件解的矩阵表示,推导了归一化散射截面的计算公式,这对研究手征媒质与电磁波相互作用、各种参数对雷达散射截面(RCS)的影响以及RCS测量均提供了重要的理论依据.数值仿真部分给出了平面波末端入射时,沿z轴相切排列且第一个小球的球心位于原点的8个相同手征小球归一化双静截面随散射角的变化曲线.结果表明,归一化双静截面随散射角由前向至后向的增加而增大,且后向散射最强.

Two strenthening methods are presented for the round function of the iterated block ciphers, named random group and random permutation. The advantages of these two methods over block cipher IDEA are described and proved. The adoption of these methods are worthwhile from the consideration of the cost.

提出了对迭代分组密码IDEA的轮函数的两种强化方法———随机群和随机置换 .叙述并了证明了强化对IDEA的改善效果 ,并通过对代价的考虑说明强化是值得的 .

 
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