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The results show that the two kinds of basic ant colony algorithm have better performance than classical K-means algorithm and hierarchal clustering algorithm, the two kinds of extended algorithm have better performance than corresponding basic ant colony algorithm.

实验结果表明，两种基本蚁群算法的聚类效果优于经典的K_means算法和层次聚类算法；两种改进的算法又分别优于相应的基本蚁群算法，达到了算法改进的目的。

But,their distribution is not homogeneous,the southern part of the depression is better than the north, the eastern part of the depression is better than the west.

但渤中坳陷东下段烃源岩的平面分布是不均匀的，表现为坳陷的南部优于北部，东部优于西部。

By means of adjusting the distance from homogenizer to receive screen, the optimal position of uniform section is determined which agreed with the theoretical calculation.

利用其改善准分子激光器输出光束强度的分布，起伏优于4%，其均匀效果优于普通棱镜均匀器。

Firstly, the fully discrete standard finite element Galerkin method and the nonlinear finite element Galerkin method and the modified finite element Galerkin method in which time is discretized by the Euler implicit difference scheme are considered, and the - and - global relative errors and CPU time corresponding to the SG method, the NG method and the MNG method are computed respectively.

首先，对于全离散(时间离散是欧拉显式格式)标准有限元Galerkin方法和非线性有限元Galerkin方法以及修正有限元非线性Galerkin方法，分别进行数值计算，并比较了三种算法的计算解与精确解的误差估计及所耗费的CPU时间，结果验证了MNG方法要优于NG方法，而NG方法又优于SG方法。

It is superior to the detection system with induction coil in aspect of function and maintainability, and the cost is less than DSP-based system.

在功能、安装及可维护性方面优于基于感应线圈的检测系统，在成本方面优于基于DSP的视频检测系统。

Intermaxillary fixation time is shorter in miniplates group than in other groups, meanwhile occluding relation is better in miniplates group than in stainless wires group and recovery of rumas height is better than in Kirschner wires group.

接骨板固定组术后颌间牵引时间明显短于其它两组，在咬合关系上优于不锈钢丝固定组，在升支高度的恢复上优于克氏针固定组。

The only way I know of dealing with this general human conceit is to remind ourselves that man is a brief episode in the life of a small planet in a little corner of the universe, and that for aught we know, other parts of the cosmos may contain beings as superior to ourselves as we are to jelly-fish.

我所知道的处理这种普遍的人类自负的唯一方式是，提醒我们自己，人类，只不过是环宇之中，一个小小角落里的一颗小行星上的生命的短暂章节，宇宙其他地方，别的生命优于我们就像我们优于水母，也未可知。

The only way I know of dealing with this general human conceit is to remind ourselves that man is a brief episode in the life of a small planet in a little corner of the universe, and that for aught we know, other parts of the cosmos may contain beings as superior to ourselves as we are beings as superior to ourselves as we are to jelly-fish.

我所知道的处理这种普遍的人类自负的唯一方式是，提醒我们自己，人类，只不过是环宇之中，一个小小角落里的一颗小行星上的生命的短暂章节，宇宙其他地方，别的生命优于我们就像我们优于水母，也未可知。皛然山人09年10月译自1988版中央广播电视大学英语专业范读读本

By using of this method, the ratios of lactone form to the total in rat plasma at different time were determined in vitro and in vivo.

结果 9-硝基喜树碱内酯型在大鼠体内的稳定性显著优于体外，在体外全血中的稳定性显著优于血浆。

The quality of the allograft, which undewent reperfusion during cold preservation gained an obvious advantage to the routine ones. At the same time, the quantity of the reperfusion liquid should be controlled; 10 ml reperfusion liquid can effectively lustrate the blood and the air that resided in the liver.

通过改进技术改善肝功能，提高了生存率，尤其在冷保存时经门静脉再灌注，在供肝的质量上明显优于不进行灌注组，并应严格掌握灌注液体量，10 ml灌注量明显优于其他液体量，能有效地驱除供肝内残留的血液和气泡。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。