select best中文是什么意思

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select vt. 选；选择；挑选；选拔。 Her father l ...
best adj. 〔good 和 well 的最高级〕 (opp ...
gather and select the best in writing 猎其菁华
select best strategies 选择最好的战略
select the best penetration rate 选择最佳钻进速度
no select 没有选择
select vt. 选；选择；挑选；选拔。 Her father let her select her own birthday present. 她的父亲让她自己挑选生日礼品。 vi. 挑选，选择。 adj. 1.挑选出来的；精选的；极好的。 2.〔口语〕爱挑三拣四的；挑剔的。 3.苛择的；入会条件苛刻的。 a select crew 一批精选的水手。 be select in choosing one's friends 择友谨慎。 select wines 精选的酒。 n. 1.〔口语〕精选品；顶好的货色。 2. 〔常 pl.〕被挑选者。
select by 参考选择; 选择方式
at (the)best 充其量，至多
at best 充其量,至多; 在最好的情况下，据乐观的估计; 最多充其量; 最多，至多; 最好价指令; 最好也只是
at the best 充其量，至多
best adj. 〔good 和 well 的最高级〕 (opp. worst). 1.最好的。 2.最合适的。 3.最多的，大部分的。 4.〔口语〕最厉害的，彻头彻尾的。 the best painter of our day 当代最优秀的画家。 the best thing to do 最好的办法。 She feels best in the morning. 她早上精神最好。 the best man for the job 最适合做那项工作的人。 the best part of a day 大半天。 the best liar 吹牛大家。 one's best boy [fellow] 〔俚语〕男朋友，情人。 one's best days 全盛时代，得意时代。 one's best girl 〔俚语〕女朋友，情人。 put [set] one's best foot [leg] foremost [forward] 1. 〔英国〕拼命走，赶快。 2. 〔美国〕逞能，自夸拼命造成好印象。 adv. 〔well 的最高级〕最好，第一〔口语〕极，厉害地，大大地。 Everything goes best with me. 我一切顺利。 best-suited 最适合的。 best known 最有名的。 the best hated man 最可恨的人。 the best abused book 被批评得一无是处的书。 as best (as) one can 尽可能，尽量。 had best 最好是；以…为最妙 (You had best go with him. 你最好是跟他去。 He had best have done so. 他这样做了就最好了)。 n. 1.最佳，至上，最大努力。 2.最好的人；最好的事物[部分、衣服、结果、服装等]。 The best is the enemy of the good. 至上乃致善之敌，标准过高反于成功不利。 Bad is the best. 决无好事。 the second best 次好。 The best of us can make mistakes. 我们当中最好的人也会做错事。 the best of it [the joke] 最好的地方，最精彩处[最好笑处]。 one's Sunday best 最漂亮的衣服，节日的服装。 That's the best I can do for you. 我仅能帮你这么多忙了。 at (the) best 至多，充其量也不过 (You look a fool at the best, and a knave at worst. 你呀，说好呢不过像个傻瓜，说坏呢不过像个流氓。 We can not arrive before Friday at best. 我们在最好的情况下也得星期五到达)。 at one's [its] best 最美时期；最得意处；全盛时代，发挥最高的技术水平，处于最佳健康[精神]状态(He is at his best in short lyrics. 他最擅长的是写抒情短诗。 at one's creative best 在创作能力最旺盛时期。 cherry-blossoms at their best 樱桃花盛开时节。 Beer is at its best when it is cool. 冷啤酒味道最美)。 at the very best 〔强调语气〕＝ at best. best of all 首先，第一；最。 do one's best 竭力，尽力。 do one's level best 〔俚、口〕竭尽个人最大可能，全力以赴。 (all) for the best 1. 出于好意。 2. 会[想]得到最好结果 (Everything will turn out for the best. 一切到最后都会好的。 He did it all for the best. 他那样做全是好意。 Hope for the best. 切莫悲观。 It was at the time hard to realize how it could be all for the best. 当时很难想到怎么会有这么好的结果)。 get (have) the best of 获胜；胜过 (His arthritis gets the best of him from time to time. 关节炎时常把他压倒)。 give sb. best 〔口语〕向…屈服；向…认输 (All right, I give you best. 算了，我认输)。 give it best 对(某事)罢念，想开。 have the best of it ＝ get the best of it. make the best of 尽量利用，善用，善处。 make the best of a bad job [business, bargain] (处境不利时)尽量把损失减到最小，善处逆境。 make the best of one's way 拼命快走。 make the best of things 随遇而安。 none of the best 不甚好。 of the best 最好的；〔英口〕1镑钞票 (ten of the best 一镑钞票十张)。 to the best of one's (power knowledge) 竭力，不遗余力；竭尽(所能，所知)。 try one's best 尽全力。 with the best 不比任何人坏，不下于人。 vt. 〔口语〕 1.超过，击败(某人)。 2.欺，骗，瞒。 He bests me in the mathematics. 他在数学方面超过我。 best the pistol 抢跑，枪未响即冲出起跑线。
for the best (完全)出于好意; 出于好意
the best 宫崎动画; 没什么了不起
the best of 女子十二乐坊
the best of it 最佳处
to the best of 就…所及
with the best 跟任何人一样好, 不比任何人差
best of best 摩登龙争虎斗
best of the best 飞虎雄心2傲气比天高; 黑带精英; 绝佳设计大奖; 谁愿放手精选17首; 最佳之最
auto select 自动选择
automatic select 自动选择
band select 波段选择
bank select 触排选择; 存储体选择; 音色库选择
ch select 通道选择

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But , pso convergence ' s speed become slow in latter iterative phase , and pso is easy to fall into local optimization . at present , some scholars improve base pso mostly using 3 methods : disperse algorithm , increase convergence speed , enhance particle ' kinds . in the paper , i put forward 2 methods aiming at local best resutl but not whole best result . i modify base pso using the last method . some scholars put forward times initializations , so i select best result after circulating some times to be a parameter of formula . first , put particle into some small region , and ensure every region having one paticle at least . second , every region ' s particle has probability transfer other regions . although increase running time , enhance particle ' kinds , decrese the probability of convergence far from whole best result . nerms ( network educational resource management system ) is one of the research projects in the science and technology development planning of jilin province . the aim of nerms is to organize and manage various twelve kinds of network educational resources effectively so that people can share and gain them easily and efficiently , so as to quicken the development of network education
但粒子群算法仍存在如下不足:首先在多峰的情况下,粒子群有可能错过全局最优解,远离最优解的空间,最终得到局部最优解;其次在算法收敛的情况下,由于所有的粒子都向最优解的方向群游,所有的粒子趋向同一,失去了粒子间解的多样性,使得后期的收敛速度明显变慢,同时算法收敛到一定精度时,算法无法继续优化,本文对原始粒子群算法提出了二点改进方案: 1 .算法迭代到一定代数后,把此时找到的全局最优解当作速度更新公式的另一参数(本文称之为阶段最优解)再进行迭代; 2 .每次迭代过程中除最优解以外的每个粒子都有一定概率“变异”到一个步长以外的区域,其中“变异”的粒子在每一维上都随机生成一个步长。
This algorithm adopts a middle ground between centroid - base and all - points - based approaches . instead of using a single centroid or all points to represent a cluster , a fixed number of representative points in space are chosen , these points represent and capture the geometry and shape of the cluster . in addition . the representative points of a cluster are generated by first selecting well - scattered objects for the cluster and then " shrinking " or moving them toward the cluster center by a specified fraction , or shrinking factor . the shrinking helps dampen the effects of outliers . therefore , cure is more robust to outliers
该算法选择基于质心利基于代表对象方法之间的中间策略，它不用单个质心或簇中全部对象米代表一个簇，而是选择数据空间中定数目的只有代表性的点，这些点代表和捕捉到了簇的形状。此外，由于引入了收缩因子使代表点向簇小心“收缩”而使该算法能够较好地消除孤立点的影响，在处理孤立点上也更加健壮。
Classification and regression trees processing part introduces growing algorithm of cart , pruning algorithm of cart and selecting best tree algorithm etc . on the basis of the concerned new model , the thesis presents in details the designing of multi - rules neural network based cart system for abnormal customers recognition
在分类回归树部分，介绍了分类回归树的生长算法、最小代价?复杂性剪枝算法以及最优树选择等算法。提出了系统设计之后，论文详细介绍了该系统的开发，用以解决异动客户的识别问题。