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The main contributions of the second part of this dissertation are focused on the cryptographic properties of logical functions over finite field, with the help of the properties of trace functions, and that of p-polynomials, as well as the permutation theory over finite field: The new definition of Chrestenson linear spectrum is given and the relation between the new Chrestenson linear spectrum and the Chrestenson cyclic spectrum is presented, followed by the inverse formula of logical function over finite field; The distribution for linear structures of the logical functions over finite field is discussed and the complete construction of logical functions taking on all vectors as linear structures is suggested, which leads to the conception of the extended affine functions over finite field, whose cryptographic properties is similar to that of the affine functions over field GF (2) and prime field F〓; The relationship between the degeneration of logical functions and the linear structures, the degeneration of logical functions and the support of Chrestenson spectrum, as well as the relation between the nonlinearity and the linear structures are discussed; Using the relation of the logical functions over finite field and the vector logical functions over its prime field, we reveal the relationship between the perfect nonlinear functions over finite field and the vector generalized Bent functions over its prime field; The existence or not of the perfect nonlinear functions with any variables over any finite fields is offered, and some methods are proposed to construct the perfect nonlinear functions by using the balanced p-polynomials over finite field.

重新定义了有限域上逻辑函数的Chrestenson线性谱，考察了新定义的Chrestenson线性谱和原来的Chrestenson循环谱的关系，并利用一组对偶基给出了有限域上逻辑函数的反演公式；给出了有限域上随机变量联合分布的分解式，并利用随机变量联合分布的分解式对有限域上逻辑函数的密码性质进行了研究；给出了有限域上逻辑函数与相应素域上向量逻辑函数的关系，探讨了它们之间密码性质的联系，如平衡性，相关免疫性，扩散性，线性结构以及非线性度等；讨论了有限域上逻辑函数各类线性结构之间的关系，并给出了任意点都是线性结构的逻辑函数的全部构造，由此引出了有限域上的"泛仿射函数"的概念；考察了有限域上逻辑函数的退化性与线性结构的关系、退化性与Chrestenson谱支集的关系；给出了有限域逻辑函数非线性度的定义，利用有限域上逻辑函数的非线性度与相应素域上向量逻辑函数非线性度的关系，考察了有限域上逻辑函数的非线性度与线性结构的关系；利用有限域上逻辑函数与相应素域上向量逻辑函数的关系，揭示了有限域上的广义Bent函数与相应素域上的广义Bent函数的关系，以及有限域上的完全非线性函数与相应素域上向量广义Bent函数之间的关系；给出了任意有限域上任意n元完全非线性函数存在性与否的完整证明，并利用有限域上平衡的p-多项式的性质给出了有限域上完全非线性函数的一些基本构造方法。

Never forget that you have nurtured the growth of spring and base Never forget that you want placed team-mate Do not forget to give them will never return Thanksgiving is a permanent thing ...... Life is like a DOTA ...... There is always a time when GAME OVER But when you look back when you walk on the road Do not leave any regrets ......

永远不要忘记孕育你成长的泉水和基地永远不要忘记寄予你希望的队友永远不要忘记给他们回报感恩，是个永久的东西……人生如DOTA……总有GAME OVER的时候只是，当你回头看着你走过的路的时候千万不要留下任何遗憾

Make sure that a roll-over line is not being used, and that the fax is

确保未使用 Roll-over 线路，并且传真连接至专用的模

CdTe solar cells with the complex back contacts do not have roll-over.

复合背接触层能消除CdTe的roll-over现象。

English Title: One Flew Over the Cuckoo's Nest ...

英文片名：One Flew Over the Cuckoo's Nest 。。。

A: The first night I was in Bucharest we went to see a production of the Romanian National Theater, it was One Flew Over the Cuckoo's Nest. And we were sitting in the first row of the balcony and Chaushesku was sitting right next to me.

答：我在布加勒斯特的第一天晚上，我们去看罗马尼亚国家剧院的演出，那天上演的是One Flew Over the Cuckoo's Nest（飞跃布谷鸟巢，注2）我们坐在包厢的第一排，齐奥赛斯库（Chaushesku，注1）就坐在我们右边。

Over 40 main programs are provided in the text and all subroutines are listed in the Appendix.

Over 40个主要项目中提供的文本和所有子程序附录所列的介绍。

The Audubon Society and other conservation groups, concerned over what they perceive as the serious threat to the environment posed by the policies of the government, are preparing for a major political effort.

Audubon 社团和其他谈话组织/，关注/他们认为对环境的严重威胁/由于政府政策导致的/这些主要为一个政治结果而准备。*这句话虽然不长，却较难理解，原因是句子的主要内容，也就是 concern over 后的内容比较复杂。

The bone of the contention is over who should be given more bonus.

争吵的真正原因是谁该得到更多的奖金。请问over在这里的用法是什么意思？

The black sea bass has been massively over-fished in both California and Mexican waters, leaving this water giant Critically Endangered.

威胁 黑鲈鱼一直在加利福尼亚州和墨西哥水域离开这种水巨大审慎濒危大规模 over-fished。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。