置换

All other group elements correspond to a permutation that does not leave any element unchanged.

所有其他的群元素对应於不留下任何元素不变的置换。

When we do permutation of an item or object, we're simply trying to represent the same information or actions in a different way.

当我们做一个项目或对象的置换，我们只是想代表相同的信息，或以不同的方式行动。

This paper proposes a matrix based substitution permutation network as the model of block cipher.

论文提出了一种基于矩阵的代替置换网络模型。

Components to permute and combine into a dazzling array of services ?

组件置换，并合并为一个令人眼花缭乱的服务？

In the second section,Ianalysis the pattern of interest transportation,point out that the purchase and sale ofmanufactures,trusteeship management,contract management,leasehold management,relevant assure,the capital impropriate,the permute of asset,the purchase of asset,thefranchise of trade mark,the transfer of immateriality asset,the integrate serve,theparent company's use of the asset to purchase the new stock and the donation of assetare the primary ways of the related party transaction of listed company.

在第二节，作者对利益输送的模式进行了分析，指出产品购销、托管经营、承包经营、租赁经营、关联担保、资金占用、资产置换、资产收购、商标的独家使用许可、无形资产转让、综合服务、母公司用资产配股、资产馈赠等十三种手段是上市公司关联交易的主要手法。

The resolution and renaturation efficiency of lysozyme were found to be independent of the flow rate and gradient time when the volume of mobile phase was kept a constant.

在计量置换模型的基础上首次提出了流动相用量估算公式，用实验对其进行了检验，并得出在保持流动相用量不变的条件下，改变流速和梯度时间对分离度和变性蛋白的复性效率影响不大的结论。

Part 1 : 4-(Biphenylyl-4-oxy)aniline was synthesized by the nucleophilic chloro-displacement of 4-chloronitrobenzene with the potassium phenolate of 4-phenylphenol, followed by palladium-catalyzed hydrazine reduction.

摘要 第ㄧ部份： 4-Chloronitrobenzene 与 4-phenylphenol进行芳香亲核置换反应，再用钯催化联胺还原法合成出 4-(Biphenylyl-4-oxy)aniline。

This website offers the access to the Map Library Catalog of the library at the Princeton University, USA. It contains 300,000 maps and charts, aerial and satellite photographs; 100 relief models; 15 globes; 850 slides, which are related to geology, geochemistry, geophysics, climatology, natural resources, land use, soils, water resources, remote sensing, topography, political and cultural geography, physiography, bathymetry, transportation, navigation, urban and regional planning.

从本网站可以获得美国Princeton大学图书馆的地图收集的目录，共有300000张地图、图表、航片和卫星图片，100种简单模型，15个地球仪、850张幻灯片，内容包括地质、地球化学、地球物理学、气候学、自然资源、土地利用、土壤、水资源、遥感、地形、政治与文化地理学、自然地理学、测深法、置换传输、航海、城市与区域规划。

Methods:43 patients including 10 with mitral stenosis associated aortic regurgitation, 12 with mixed mitral valve lesions and 21 with mixed mitral valve lesions and combined with aortic regurgitation were studied.MVA determinded by (1) two -dimensional echocardiography with a cross-sectional area in the short-axis view (2DE),(2) pressure half-time using formula of 220/PHT,(3) color Doppler flow imaging with a jet cross-sectional area in the short-axis view with planimetry,(4) CDFI with a color jet width at the mitral valve orifice in the apical four-chamber view and long-axis view, assuming an elliptic mitral orifice, compared with the orifice area of excised mitral valve during mitral valve replacement.

材料与方法∶分别用二维超声(2DE)、压差减半时间、彩色多普勒二尖瓣口血流截面积和椭圆形面积法测定43例风湿性心脏病二尖瓣狭窄拟行人工瓣置换术患者的MVA，其中合并主动脉瓣反流 10例，合并二尖瓣反流 12例， 21例，并与手术标本的实测面积相比较。

Objective To explore clinical therapeutic effect and program of plasmapheresis in the treatment of critical diseases in children.

目的 探讨血浆置换治疗在儿科危重症病人的应用价值和治疗方案。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。