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This dissertation investigates the construction of pseudo-random sequences (pseudo-random numbers) from elliptic curves and mainly analyzes their cryptographic properties by using exponential sums over rational points along elliptic curves. The main results are as follows:(1) The uniform distribution of the elliptic curve linear congruential generator is discussed and the lower bound of its nonlinear complexity is given.(2) Two large families of binary sequences are constructed from elliptic curves. The well distribution measure and the correlation measure of order k of the resulting sequences are studied. The results indicate that they are "good" binary sequences which give a positive answer to a conjecture proposed by Goubin et al.(3) A kind of binary sequences from an elliptic curve and its twisted curves over a prime field F_p. The length of the sequences is 4p. The "1" and "0" occur almost the same times. The linear complexity is at least one-fourth the period.(4) The exponential sums over rational points along elliptic curves over ring Z_ are estimated and are used to estimate the well distribution measure and the correlation measure of order k of a family of binary sequences from elliptic curves over ring Z_.(5) The correlation of the elliptic curve power number generator is given. It is proved that the sequences produced by the elliptic curve quadratic generator are asymptotically uniformly distributed.(6) The uniform distribution of the elliptic curve subset sum generator is considered.(7) We apply the linear feedback shift register over elliptic curves to produce sequences with long periods. The distribution and the linear complexity of the resulting sequences are also considered.

本文研究利用椭圆曲线构造的伪随机序列，主要利用有限域上椭圆曲线有理点群的指数和估计讨论椭圆曲线序列的密码性质——分布、相关性、线性复杂度等，得到如下主要结果：(1)系统讨论椭圆曲线-线性同余序列的一致分布性质，即该类序列是渐近一致分布的，并给出了它的非线性复杂度下界；(2)讨论两类由椭圆曲线构造的二元序列的&良性&分布与高阶相关性(correlation of order κ)，这两类序列具有&优&的密码性质，也正面回答了Goubin等提出的公开问题；(3)利用椭圆曲线及其挠曲线构造一类二元序列，其周期为4p(其中椭圆曲线定义在有限域F_p上)，0-1分布基本平衡，线性复杂度至少为周期的四分之一；(4)讨论了剩余类环Z_上的椭圆曲线的有理点的分布估计，并用于分析一类由剩余类环Z_上椭圆曲线构造的二元序列的伪随机性；(5)讨论椭圆曲线-幂生成器序列的相关性及椭圆曲线-二次生成器序列的一致分布；(6)讨论椭圆曲线-子集和序列的一致分布；(7)讨论椭圆曲线上的线性反馈移位寄存器序列的分布，线性复杂度等性质。

The walking mechanism of push-pull air-cushion vehicle includes two parts: push-pull mechanism and anchoring mechanism, both take hydraulic cylinders as driving components. So this walking mechanism has advantages of lighter weight and higher driving efficiency, it can work on many areas.

推拉式气垫车的行走机构包括推拉机构和抓地锚定机构两部分，它们都是以液压油缸作为驱动元件，通过液压传动实现伸缩动作的，这样既省却了轮式、履带式车辆笨重、复杂的行走机构，又大大提高了气垫车的驱动效率，能够适应各种复杂地表条件。

When you pull out the lens, turn clockwise to lock it, when you want to push it back, always remember to turn the advance film knob first and after that press the button and turn the lens anticlockwise to keep it back and also to remember to pull out the lens when you want to rewind the film.

当你把镜头拉出来时，记得要顺时针转，当你要把镜头收回时，千万要记得过片先，然后按回收镜头键，在逆时针转，在收回去。还有，当回片时，千万计的要把镜头拉出来。

Several years later, out of the palace where such a thing: a few farmers sold the timber to empty parked in the palace before either of these cars pulled cattle, some with horse-drawn, in which a farmer, he spent a 3 Malay pull carts, there is a Basho had a small pony, small pony ran to pull another car the middle of the two cows.

几年之后，王宫里出了这样一件事：几个农民卖完了木材，把空车停在了宫前，这些车有的是用牛拉的，有的是用马拉的，其中一个农夫，他用了三匹马来拉车，有一匹马生了一头小马驹，小马驹跑到了拉另外一辆车的两头牛中间。

If the pull cotton feel pain, it can draw the cotton wet, it would be easier to pull, this is a very effective method of removal of the nose blackhead, we try.

如果拉棉花感到疼痛，可把湿的棉花，它会更容易拉，这是鼻子的黑头很有效的方法去除，我们尝试。

To maintenance and replacement the power module, you shouldn't pull out the fiber optic media converter, and shouldn't take down the rack mount, only need to pull out the blooey power module to repair or updating, make the maintenance convenience and shortcut.

维修和更换电力模块，你不该拔出光纤媒体转换器，不要抄铁架山、只需拔出热泵功率模块修复或更新，使维修方便，捷径。

Book equipment application in automobile, motorcycle, machinery foundation profession such as chain, fastener, bearing, box spanner, tool, special different type nut and flange surface nut, sides nut, welding nut, cover type nut , locknut, defence pine nut, pull hat nut, chain Luo pull, expansion gecko, independently axle gear, bicycle different type etc.

本设备应用于汽车、摩托车、机械基础行业（如链条、紧固件、轴承、套筒扳手、工具、特殊异型螺母、法兰面螺母、四方螺母、焊接螺母、盖型螺母、锁紧螺母、防松螺母、拉帽螺母、链条罗拉、膨胀壁虎、自行轴挡、自行车异型件等）等各类异型、复杂非标件的冷挤成型，适用范围广泛。

Later advancements saw the ends of the can made out of aluminum instead of steel. In 1962, Ermal Cleon Fraze of Dayton, Ohio, invented the integral rivet and pull-tab (also known as rimple or ring pull), which had a ring attached at the rivet for pulling, and which would come off completely to be discarded.

之后的技术进步经历了铝替代铁做原材料使之能够冷凝。1962年，来自俄亥俄州代顿的艾马尔·克里昂·弗拉泽﹙Ermal Cleon Fraze﹚发明铆钉和拉标签：铆钉上外套一个环锚紧，拉开后可整个被丢弃。

FeiFei is a beautiful and petty dog.She can pull you run if you pull the cordage of dog body.

终于在三月份，这个春光明媚的好日子，他爱上了轮滑，加入了李教练的速滑队。

According to legend, the third in the Tibetan Year of the Dragon around the regression tree (chun xi eleven Southern Song Dynasty in 1184,jia chen ) before and after the pull-Jiu Ma Chung in Xiahe County, teacher and student activities in this area, in the river valley in the summer of self-cultivation, Chuan law, about the beginning of the year-long wooden, pull-Jiu Zhong Ma and her followers you have had the opportunity to carry forward in the future the interests of law and the clear wish of the people, so a lot of savings by the membership, objects, etc. Latin America Ma Jiu Tuo Chung great disciples more than the sound producedjie sang ge "Terton" of Aquarius, small disciples Tuo Zhou Yin Sangguo hao closure cap Aquarius, Germany and Russia Dayton writing grid-wang show the "Terton" scriptures, and finally by Ma Zhong-jiu la personally sealed.

相传，在藏历第三绕迥木龙年（1184年南宋淳熙十一年，甲辰）前后，玛玖拉仲师徒活动于今夏河县一带地区，在大夏河旁的山谷中修行、传法，大约在木龙年初，玛玖拉仲和她的诸位弟子产生了在未来的时机弘扬大法和利益众生的清净心愿，于是积蓄了许多经籍、法器等，玛玖拉仲的大弟子陀音多杰桑格制作了"伏藏"的宝瓶，小弟子陀音桑周以套子封裹好宝瓶，顿德俄格旺秀书写了"伏藏"经文，最后由玛玖拉仲亲自加封。

The circulation, consumption and reproduction of the trilogy have not only testified to its historical significance and literariness, but also invested it with new meanings.

该三部曲的流通、消费与再生产不仅验证了其历史意义及文学性，而切还赋予它以新的意义。

If he thought that he could buy me off, he would be wrong.

如果他认为他可以收买我，那他就大错特错了。