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The methods for enhance the performance of multiplier are analyzed first, including Booth algorithm, Baugh-Wooley algorithm for direct 2's complement multiplication and the way for sign extension prevention when using Booth algorithm. Then the multiplier for both fixed-point and floating-point operation is designed. Finally the iteration algorithm for floating-point division is presented.

首先分析了提高乘法器性能的常用技术，包括Booth算法、直接进行补码乘法的Baugh-Wooley算法、采用Booth算法进行乘法计算时防止符号扩展的方法等，然后讨论了定浮点乘法器的设计，最后讨论了浮点除法运算的迭代算法。

Now, I don't want to give you the impression that I'm a great musicologist, but I'm a lot better than what I was described as for a long, long time; you know, people said I only knew three chords when I knew five…I feel that, you know, the enormous luck I've had in being able to make a living, and to never have had to have written one word that I didn't want to write, to be able to have satisfied that dictum I set for myself, which was not to work for pay, but to be paid for my work-just to be able to satisfy those standards that I set for myself has been an enormous privilege.

现在我可不想给一个我是伟大音乐家的映象，很长时间以来，我就一直比我被别人形容的要强太多了。比如当他们说我只知道三和弦的时候，我已经知道五个和弦了。。。。。。我觉得我非常幸运，可以演现场、对我不想写的歌一字不写、可以对我为我自己设定的要求感到满意--不为了钱而工作，而是他们为我的工作而付钱。BBC Radio 1采访。1994

Results:The distance from the front wall of sphenoid sinus to the nasal spine was 56.5±5.9 mm for left and 54.9±7.2 mm,44.3±6.5 ,,for left and 44.0±6.5 mm for right to nasion.The average distance from middle point of sphenoid saddle bottom to nasal spine was 74.5±6.4 mm for left and 73.8±6.8 mm for right,60.9±7.2 mm and 60.2±7.8 mm to nasion.

结果：前鼻棘至蝶窦前壁的平均距离：左侧：56.5±5.9mm；右侧：54.9±7.2mm；鼻根点至蝶窦前壁的平均距离：左侧：44.3±5.6mm；右侧：44.0±6.5mm；前鼻棘至鞍底中点的平均距离：左侧：74.5±6.4mm；右侧：73.8±6.8mm；鼻根点至鞍底中点的平均距离：左侧：60.9±7.2mm；右侧：60.2±7.8mm。

Well, after his Astonishment was a little over at this, I pointed to him to run and fetch the Bird I had shot, which he did, but stay'd some Time; for the Parrot not being quite dead, was flutter'd away a good way off from the Place where she fell; however, he found her, took her up, and brought her to me; and as I had perceivd his Ignorance about the Gun before, I took this Advantage to charge the Gun again, and not let him see me do it, that 1 might be ready for any other Mark that might present; but nothing more offer'd at that Time; so I brought home the Kid, and the same Evening I took the Skin off, and cut it out as well as I could; and having a Pot for that purpose, I boil'd, or stew'd some of the Flesh, and made some very good Broth; and after I had begun to eat some, I gave some to my Man, who seem'd very glad of it, and lik'd it very well; but that which was strangest to him, was, to see me eat Salt with it; he made a Sign to me, that the Salt was not good to eat, and putting a little into his own Mouth, he seem'd to nauseate it, and would spit and sputter at it, washing his Mouth with fresh Water after it; on the other hand, I took some Meat in my Mouth without Salt, and I pretended to spit and sputter for want of Salt, as fast as he had done at the Salt; but it would not do, he would never care for Salt with his Meat, or in his Broth; at least not a great while, and then but a very little.

这不由得使我经常想到，上帝对世事的安排，自有其天意，在其对自己所创造的万物的治理中，一方面他剥夺了世界上许多生物的才干和良知，另一方面，他照样赋予他们与我们文明人同样的能力，同样的理性，同样的感情，同样的善心和责任感，也赋予他们同样的嫉恶如仇的心理；他们与我们一样知道感恩图报，诚恳待人，忠贞不渝，相互为善。而且，当上帝给他们机会表现这些才干和良知时，他们和我们一样，立即把上帝赋予他们的才干和良知发挥出来做各种好事，甚至可以说比我们自己发挥得更充分。对此，我不能不感到惊讶。同时，想到这些，我又感到有些悲哀，因为许多事实证明，我们文明人在发挥这些才干和良知方面，反而显得非常卑劣。尽管我们不仅有能力，而且，我们受到上帝的教诲，上帝的圣灵和上帝的语言的启示，这使我们能有更深刻的认识。同时，我也感到奇怪，为什么上帝不给这成千上百万的生灵以同样的教诲和启示，使他们懂得赎罪的道理。我觉得，如果我以这可怜的野人作为判断的依据，那么，他们实在能比我们文明人做得更好。

The declaration indicates that the vessel does not hold the effective certificate for safe navigability, certificate of fitness for carriage, and certificate for prevention of pollution, or the goods fail to meet the requirements for safe fitness for transport, or the documents are not complete

申报显示船舶未持有有效的安全适航、适装证书和防污染证书，或者货物未达到安全适运要求或者单证不全

The world's largest, best designed, and most expensive sailing yacht, the famous 289-ft. Maltese Falcon, has been listed for sale via global online luxury marketplace List for $130 million. Built by Perini Navi for venture capitalist Tom Perkins in 2006, it remains the ne plus ultra of sailing superyachts, a masterpiece of technology and design, and was recently featured on the cover of Luxury Toys: Top of the World. Her revolutionary sailing system - the DynaRig - set a new milestone in yachting history: three self-standing and rotating masts hosting 15 sails for a total sail area of 25,791 square feet for unrivaled, performance maneuverability and record-shattering speed; she can complete Atlantic crossings in ten days.

【马耳他猎鹰，著名的有着289英尺长世界最大设计最好也是价格最贵的帆船，已通过全球在线奢侈品市场出售，开价一亿三千万美圆。2006年设计师 Perini Navi 为投资家 Tom Perkins 建造，至今仍拔得超级帆船的头筹，一个科技和设计的杰作，并且作为杂志的封面特写报道：她的世界顶级的革命性风帆系统--动态桅杆系统--在豪华游艇的历史里树立了新的里程碑：三个自动竖起并且旋转的主桅杆支撑着15片帆叶总共超过25791平方英尺的面积，无可匹敌的卓越可操作性能以及破记录的速度，使得她能在10天内完成穿越大西洋的航行。

There are designated the institutions responsible for each prizes: the royal swedish academy of sciences for the nobel prize in physics, chemistry and economics, karolinska institute for the nobel prize in physiology or medicine, a committee of five persons to be elected by the norwegian parliament for the nobel peace prize, and the swedish academy for the nobel prize in literature.

诺贝尔奖各奖项各有评选机构：物理学奖、化学奖及经济学奖由瑞典皇家科学院；生理学或医学奖由卡罗林斯加研究院；和平奖由挪威诺贝尔委员会；文学奖由瑞典学院所评选决定的。

Research Centers Include Center for Developmental and Health Genetics, Center for Health Care and Policy Research, Center for Human Development and Family Research in Diverse Contexts, Center for Locomotion Studies, General Clinical Research Center, Gerontology Center, Noll Physiological Research Center, Prevention Research Center for the Promotion of Human Development.

研究中心包括：发展和健康遗传学中心，健保和政策研究中心，人类发展和家庭研究中心，运动研究中心，普通临床研究中心，老年医学中心，生理学研究中心，人类发展预防研究中心。

Missirlis in article [1]. At the same time, a sufficient condition for convergence of the PSD method is given to be compared when the coefficient matrix A of the linear system Ax = b is a symmetric, positively defective matrix. In §3.2, an example is given to state that the range of our sufficient condition is wider than theorem 3.3 of article [1]. On the other hand, following a.n analogous approach of [14] and starting the functional relationshipwe have a perfect analysis for the PSD method to converge and optimum valves for the involved parameters under different conditions.Under the assumptions that A is a consistent ordered matrix with nonvanishing diagonal elements and the eigenvalues of the Jacobi matrix of A are real,we get necessary and sufficient conditions for the PSD method to convergence.The result is equal to theorem 1 of article [9].Under the same condition, we can see the optimal parameter and of corresponding spectral radius of thePSD method in [8]:(2)When A is a consistent ordered matrix with nonvanishing diagonal elements and the eigenvalues of the Jacobi matrix of A are imaginary or zero,we get necessary and sufficient conditions for the PSD method to convergence.In chapter 3, the optimal parameter and of corresponding spectral radius of the PSD method are given by table 3.3. Moreover, under the assumption 0

Missirlis在文献[1]中定理3.3的不准确，同时给出了当线性方程组Ax=b的系数矩阵A为对称正定阵时，PSD迭代法收敛的一个充分条件与之比较，并且在§2.3中用实例说明了对于一部分矩阵而言本文得到的充分条件广于[1]中定理3.3的充分条件；另一方面，按照文献[14]的方法，我们从PSD迭代法的特征值λ与其Jacobi迭代矩阵B的特征值μ的关系式：出发，在不同条件下对PSD迭代法的收敛性和最优参数以及最优谱半径进行了完整的分析：(1)在系数矩阵A为(1，1)相容次序矩阵且对角元全不为零，其Jacobi迭代矩阵B的特征值全为实数的条件下，给出了PSD迭代法收敛的充分必要条件，此结果与[9]中的定理1等价，此时最优参数及最优谱半径由[8]得：(2)第三章表3.3中给出了，当系数矩阵A为(1，1)相容次序矩阵且对角元全不为零，其Jacobi迭代矩阵B的特征值全为纯虚数或零时的PSD迭代法的收敛范围和最优参数，并且我们可以得到当0

Screening methods currently used for Down vary in sensitivity, which is 30% for maternal age alone, 60% to 70% for maternal age plus maternal blood-testing in the second trimester, 75% for maternal age plus first-trimester fetal nuchal translucency scanning, and 85% for maternal age plus fetal nuchal translucency plus maternal-blood analysis at 11 to 14 weeks.

最近用於预测唐氏症的筛检方法在敏感度方面变化很大，仅考虑母亲的年龄，敏感度为30%；考虑母亲的年龄以及母亲在怀孕四至六个月的血液检查，敏感度为60%-70%；考虑母亲的年龄以及胎儿前三个月的颈背透明度扫描，敏感度为75%；考虑母亲的年龄、胎儿颈背透明度以及怀孕11至14周母亲的血液检测，敏感度为85%。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。