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To overcome the premature of simple genetic algorithm, the calculating efficiency of SGA is improved by the following two ways; Firstly, in order to ensure convergence of algorithm and reduce influence factor of convergence, elitist selection and adapted crossover and mutation operator are adopted. Secondly, because this study deals with finding minimize volume of structure, to quicken convergence of this problem, in line with mechanics criterion the paper carry out mutation to some genes in chromosome according to variations of internal force. This will let algorithms to search answer with our hoping directions.

针对基本遗传算法存在早熟的问题，本文主要从两个方面进行了改进，首先为了保证算法的收敛和减少影响算法收敛因素，采用了最优保护策略和自适应的交叉和变异算子；其次，由于本文研究内容涉及求结构最小体积问题，为了加快此类问题的收敛速度，本文结合结构优化中的力学准则，对个体染色体中的某一段基因按照内力变化进行变异操作，使得算法按一定方向进行搜索最优解。

Based on considering the energy of nodes, the paper gives three attribute chatacteristics: flow factor、bridging factor 、convergence factor,and two ways to find articulation nodes:using energy model to find and finding key nodes in the connected gragh. At the same time,we use network simulator NS2 to simulate and verify our analysis results.

本文从考虑节点能量的角度出发，给出了关键节点的三个属性特征：流量因子、桥接因子、汇聚因子和两种判断关键节点的方式：利用能量模型判断和在连通图中判定关节点，同时用网络模拟器NS2加以模拟验证。

In addition,the authors propose that for a multi peaked one dimensional search problem its optimum solution can be obtained by ordinary optimization methods only when the convexity or concavity of the objective function matches the step length determining the one dimensional search region and the method of finding the optimum step length factor.

另外 ，还提出了对于多峰一维搜索问题，只有当所求函数的凹凸性与确定一维搜索区问题的步长以及求解最优步长因子的方法匹配时，才能用一般方法得到搜索区间内的最优解

In real life, though, finding someone who can play the role convincingly can be difficult.

然而，在现实生活中，能够找到一个令人信服的租赁对象却是困难重重。

Finding new ways to cook the classics, likeFried Chicken or Mashed potatoes, made eating a lot more fun.

你要找到新方法烹制这些经典食物，使吃饭更有乐趣。

In inner action domain, the local coordinate of each point related to test feature curve need to be calculated, and then the point is deformed by finding the position with the same coordinate related to reference feature curve.

在内部作用范围内，通过计算每一点相对于测试特征曲线的局部坐标，然后在参考特征曲线坐标系下找到相同的坐标位置，完成该点的交换过程。

The influence of position of the substitution, strength and number of donors and acceptors, and their coplanarity and asymmetry is discussed. The results indicate that the molecules may have larger first hyperpolarizabilities when the molecules have stronger and more donors and acceptors, large asymmetry of HOMO and LUMO, better coplanarity and higher accentricity. This work attemps at finding out the relationship between the structure and the property, thus providing theoretical basis for designing nonlinear optical molecules.

进一步研究体系中取代基的位置，给体与受体的数量和得失电子的能力，分子的共面性和对称性对分子第一超极化率的影响，结果表明，有机分子拥有更多数量与更强得失电子能力的给体和受体，最高占据分子轨道和最低未占据分子轨道空间分布的不对称，具有较高的原子共面性和较低的分子中心对称性，都能显著增加

To attract more companies into the industry, Corbeil believes the current business model has to change, because service providers are finding it difficult to hold large amounts of inventory when their business is mainly labor-based.

要吸引更多的公司涉足大修业，目前的经营模式必须改变，因为承修商都感到当生意都倚重于人力资源时，大量库存相当困难。

The exiled party joined the barbarians, and proceeded to plunder those in the city by sea and land; and the Epidamnians, finding themselves hard pressed, sent ambassadors to Corcyra beseeching their mother country not to allow them to perish, but to make up matters between them and the exiles, and to rid them of the war with the barbarians.

被驱逐的政党加入了外族，从海上陆地上劫掠城里的人； Epidamnian 人发现他们受到重压，派遣大使到 Corcyra岛，恳求他的母国不要让他们消亡，调解他们和被驱逐者之间的纠纷，停止他们和外族之间的战争。

An HIV-positive biker remains brain dead as the result of a robbery, and his girlfriend wants to donate one of his organs to his friend, who is also infected with HIV. After several surgeons refuse, Carter persuades Corday to perform the organ transplant. Meanwhile, Ray is upset with Abby because she bypassed his orders and requested a drug test on his patient, a bicycle messenger. Abby later asks Carter to dinner in hopes of talking to him about his past problems. Pratt performs below his normal capabilities when he returns to work too early after having a craniotomy--a type of brain surgery in which the doctor removes part of the bone from the skull to get to the brain. Weaver hires a new surgeon, and Corday demands to know why she was not involved in the decision-making process. Finally, Neela searches for employment outside of the medical field and has a hard time finding a decent job.

一名有爱滋病的病人，因为一宗劫案而受重伤，脑部死亡，他的女朋友希望用他的器官去救另一名染有爱滋病的病人，医院内多位医生反对，但最终Carter说服了Corday去做这个器官移植手术；与此同时，Ray因为Abby不听他的指示私自为病人做药物测试而不高兴；另一方面，Pratt接受脑部手术后，休息未够便已回急症室工作，影响了他的工作效率和能力；Weaver聘请了一位新的医生，Corday强烈要求Weaver解释为什麼Weaver从来没有徵求过她的意见；Neela决定尝试到医学界以外找寻她的新工作，却发现那是比她想像中艰难很多

Tom: You are right, he worked hard all the time.

你是对的。他一直都是努力工作。

Take shortcomings,failures,and mockings of others as commonplace and a drive to complete oneself,hold your own opinion over the evalution and disscution divested from others,afterwards sink into the state of eliminate mistakes if any or encourge oneself being not being influenced by the sayinngs of others or having no ideas to do.

把缺点、失败及别人的耻笑等看成是一种常事，当成完善自己的动力，对别人的评价和议论自己心中有主见，做到&有则改之，无则加勉&，不为人言所左右或无所适从。