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Excitation functions of neutron, proton and α particle emission prior to scission measured in the reactions 28 Si+ 164,167,170 Er→ 192,195,198 Pb are studied using an extensive fission diffusion model and it is found that the model can well describe the trend of particle multiplicities of Pb isotopes measured experimentally as a function of the bombarding energy,which indicates the existence of isotope effects in prescission particle emission.

用推广的裂变扩散模型研究了2 8Si+16 4,16 7,170 Er→192 ,195,198Pb反应中测量的断前中子、质子和α粒子多重性的激发函数。发现扩散模型能很好地拟合这些轻粒子多重性随裂变系统激发能和Pb同位素的变化趋势。表明断前粒子发射存在一个同位素效应。进而在一个考虑了裂变过程中摩擦效应的统计模型的框架内,在In和Er这两个元素的同位素链中,考察了同位素效应与裂变碎片质量不对称性和裂变系统尺度的关系。计算结果表明:同位素效应的存在不依赖于裂变系统的大小和不对称性。此外,当裂变系统具有高的中质比时,轻带电粒子发射将不再敏感于裂变延迟时间的长短,而中子发射则非常敏感。

Error analysis In order to analysis the pose error of the hexapod machine tool, considering the characteristics of the parallel mechanism,"analysis on the error prominency factors for the hexapod machine tool pose error"is proposed. Numerically, the error prominency factor can express the influence on the pose error of the tool resulted from the mechanism parameter error within the whole workspace.

四、位姿误差分析为了定量地对并联机器人机床位姿误差进行分析,结合并联机构的特点,首次提出了&并联机器人机床位姿误差放大因子分析法&,因位姿误差放大因子是反映机床机构参数误差对刀具末端误差影响大小的机床工作空间内的统计值,因此既可作为机床结构参数精度设计的依据又可对机构参数进行优化。

Championship Manager 2007 is out now! Be the first to try all the new features including pre-match, half-time and post match talks, a new interface and skins, international management, new and detailed player/manager interaction, Conference North and South and Champ Man's biggest and best signing yet: The ProZone Match Analysis Tool.

Championship Manager 2007》新加入了一种&比赛分析工具&,这种工具能够分析每一个球员和每一场比赛的各项统计数据,比如进球、奔跑、射门、过人、铲球的成功率和失败率等等,这些数据可以帮助玩家更为细致地了解比赛,让玩家成为顶级的足球经理。

But in current engineering practice,these two concepts are confused.On the one hand,it causes no fit theory for delimiting seismic statistical zone in PSHA to be set up;on the other hand,researches about delimitation of seismic belts with purposes of seismicity zoning and studying on structural environment,mechanism of earthquake generating also paues to go abead.

现行工作中将两者不加区分地使用是不合适的,一方面造成地震统计区未形成自身的适应概率地震危险性分析方法的划分理论,另一方面也造成以地震活动特征和地震孕育发生环境、机制研究为目的的地震带划分研究的停滞不前。

Customer segmentation is a critical step to the success of target or segment marketing. The effectiveness of customer segmentation depends on a good number of variables such as customers' demographic, behavioral, geographic, and psychographic characteristics. However, the huge combinations and correlations among variables make customer segmentation a challenging task, even with the aids of information technologies. The industry is desperate for effectual and powerful tool for excavating customer knowledge from the large accumulated data in the corporate database management system.

摘要顾客分群对於目标行销或市场切割的成功与否都是一个重要的关键步骤,顾客分群结果的优劣取决於其所采用的分群因子,顾客分群中常使用的分群因子有顾客的人口统计资讯、行为特徵、地理性资讯与心理方面的特徵等,然而,这大量与因子复合交错的资讯使得顾客分群成为企业的一个挑战,并且渴望寻求一个能够从大量累积的资料库系统中挖掘知识的工具。

The mechanism of consumer segmentation is based on demographic, psychographic factors such as age, ethnic background, value, belief and emotional subtlety. It seems no longer apt to probe for buyer's motivation. If we understand core groups precisely better, the "New Values"-driven approach will make them buy.

消费市场区隔化,是以人口统计与心理描绘诸如年龄、种族背景、价值、信仰与细微的情感洞察等作为调查机制,然而,这样作法已经无法探测买家的购物动机,如果行销人愈能精确地理解核心族群,那麼「新价值」驱动的品牌行销法则愈能让卖家掏钱购物。

An usual practice that analyses data of individual income statistic is curve of Ci of tectonic so called Luo Lun, it depicts an income racily to allocate the prospect of not equal degree.

分析个人收入统计数据的一个通常做法是构造所谓的洛伦茨曲线,它生动地描绘出收入分配不均等程度的图景。

And during the course of construction mental structure products" designing and manufacturing, there"re some widespread problems such as long design cycle, high error rate, difficult to total the material, large amounts of information, and time after time rehandling, etc.

但是我国建筑金属结构产品制造企业较普遍地存在着企业规模小,且其产品设计周期长、出错率高、材料统计费时费力、重复劳动工作量较大。

Based on the statistic feature of block matching moving vector, the method calculates the basic translation vector between current frame and referenced frame through a revisable parameter, and adaptively chooses processing algorithm for image sources with different characteristics.

该方法从分析块匹配运动矢量统计特性出发,通过引入一个可预设置参数,计算当前帧与参考帧之间的基本平移矢量,并自适应地采取混合全局运动、局部运动估计的算法处理不同特征的源数据。

We also analyzed the leg bone proportions of 14 species of Mesozoic birds from the Early Cretaceous of China by using ternary diagrams and comparison with 21 specimens of Cenozoic birds, and concluded that the Early Cretaceous enantiornithines are typical arboreal birds, more basal birds from the Mesozoic are mainly arboreal with some adapted for scansorial life, and the ornithurines are characterized by both arboreal and terrestrial adaptations.

在此基础上,对中国中生代14例鸟类的栖息习性进行了分析,利用三元投影的统计方法,并以国内外新生代21例鸟类标本作为对比参考,得出辽西中生代不同类型鸟类的栖息行为特征:基干鸟类以树栖为主要习性,其中个别鸟类还具有攀援的习性,而反鸟类则是典型的树栖鸟类,今鸟类兼有树、地栖的习性。

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I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像,后来回台湾,甚至去年在北京,居然也四处看见她的海报,才惊讶她的魅力之大。

Ah may dee:You are chinese living in a democratic country.

你是居住在民主国家的中国人吧。