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Chapter 8: We discuss the acceleration of multigrid by Krylov subspace approaches, and recognize the reason for slow convergence of algebraic multigrid methods is that error reduction is significantly less efficient for some very specific error components which may cause a few eigenvalues of the algebraic multigrid iteration matrix to be considerably closer to 1 than all the rest. However, the eigenvectors belonging to the few isolated eigenvalues can be expected to be typically captured after only a few conjugate gradient iterations, which accelerate algebraic multigrid algorithms. Theoretical analysis and numerical results of some practical problems show the iterant recombination accelerates algebraic multigrid convergence.

第八章：先介绍用Krylov子空间迭代法加速一般多重网格方法收敛的基本框架，然后紧紧抓住引起代数多重网格方法收敛减慢的根本原因往往是误差减小对几个特别的误差分量不明显，这导致代数多重网格方法的迭代矩阵的几个特征值接近于1，而共轭梯度方法则能比较典型地捕捉属于孤立特征值的特征向量，从而推导出有效的共轭梯度加速算法和程序实现，不仅从一些具体的实际应用例子的数值结果去验证迭代复合加速收敛的效果，而且还从理论上分析了预处理共轭梯度法加速代数多重网格法收敛的机理。

Jara, the unifiedshader architecture considerably facilitated the task of physics acceleration.

据Jara先生，统一着色架构大大便利了工作，加速物理学。

Addition of 3% Lanthana can considerably stabilize the pore structure of the unsupported alumina membrane.

单位： 中国科学院上海硅酸盐研究所高性能陶瓷与超微结构国家重点实验室，上海 200050

Must become " the profession eldest child ","the achievement great undertaking", also in 绝 the non-easy matter, advances boldly not to dare to have " considerably " laxly, thereupon to the world beautiful scene it,"may tour slightly","may occupy".

要成为&行业老大&，&成就大业&，也绝非易事，奋进之中不敢有丝毫松懈，於是乎对天下美景之&可观&、&可游&、&可居&。

The test results show that(1) the deep cycle life and charge acceptance will be improved considerably if the H_2SO_4 volume is reduced;(2)the compound organic expander composed of humic acid and lignosulphonate improves the utilization of negative active mass at 2 h rate discharge capacity more than any one of them in separate use.

结果表明，当铅膏中的硫酸量降低后，蓄电池的充电接受性能和深循环寿命大大提高；木素磺酸盐与腐殖酸复合的有机膨胀剂较其单独使用，提高了负极在2小时率容量放电条件下的活性物质的利用率。

Tory mucks of the region contain 50 per cent or more mineral matter by weight and have considerably more native fertility than saw grass mucks, which were formed under logographic conditions.

保守党mucks遏制该地区50%以上的重量和矿物质有相当多的本土生育率比看到草mucks，logographic条件下所形成的。

Bass fishing ontario Tory mucks of the region contain 50 per cent or more mineral matter by weight and have considerably more native fertility than saw grass mucks, which were formed under logographic conditions.

低音渔安大略保守党mucks遏制该地区50%以上的重量和矿物质有相当多的本土生育率比看到草mucks，logographic条件下所形成的。

When the frequency of codon usage of citrus was compared to Homo sapiens, Drosophila melanogaster, Saccharomyces cerevisiac and Escherichia coli, we found that the codon preference is considerably different between citrus and non-plant species. While compared to Arabidopsis thaliana, Lycopersicon esculentum, Oryza sativa and Musa acuminata, we found that the codon preference was identical in dicotyledons, but was different between citrus and monocotyledon, Oryza sativa and Musa acuminate.

将柑橘的密码子使用频率与人、果蝇、酵母和大肠杆菌等不同种类模式生物比较后发现，柑橘密码子的偏爱性与不同种类生物有不同程度的差异；但将柑橘的密码子使用频率与拟南芥、番茄、水稻和尖叶蕉等不同种类的植物相比，发现柑橘密码子的偏爱性与同为双子叶植物的拟南芥、番茄完全一样，而与水稻、尖叶蕉这2种单子叶植物均有较大的差异。

When advertisement advocate when ad budget is cut down considerably, it can chop TV, newspaper to wait above all take ad of macrocephalic tradition media.

当广告主广告预算被大幅削减时，它首先会砍掉电视、报纸等占大头的传统媒体广告。

Cauline leaves petiolate; sepals membranous only at margin, remaining until young fruit develops; petals caducous; style minutely papillate, cylindric; stem trichomes crisped simple and forked, or malpighiaceous; raceme elongated considerably in fruit.

茎生叶具叶柄；萼片膜质只在边缘，保持直到幼果发育；花瓣早落；花柱微小乳突，圆筒状；皱波状的茎毛状体单纯和分叉，或者；总状花序在果期相当大地拉长。

I'm not an actor. I'm a professor of paleontology.

我不是演员，我是古生物学教授

Spider Network Web site that is a very image of the name.

网络蜘蛛即Web Spider，是一个非常形象的名字。