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Studied every acoustic and vibration characteristics of vehicle system making use of the SEA car model that had been established. Utilizing the specialty of SEA, contrasted the acoustic contributing of panel in every frequency bands by comparing the radiant energy into cab directly with creativity. Compared the effects of every type of factors on the interior acoustic environment of car.

七、利用建立的统计能量分析模型进行车辆系统各个声振特性的分析,研究车辆行驶速度和行驶路面的等级等因素对车内声学环境的影响;利用统计能量分析方法的特点,创造性地通过直接计算仿真实际工况下各个部件对车内辐射能量的对比进行板件各频带声学贡献的分析。

This paper proposes an algorithm of division and multi-level clustering with multi-strategy optimization,which bases on study of today's mature algorithms.

本文在研究已有成熟算法的基础上,提出了基于分治多层聚类的话题发现算法,其核心思想是把全部数据分割成具有一定相关性的分组,对各个分组分别进行聚类,得到各个分组内部的话题,然后对所有的微类再进行聚类,得到最终的话题,在聚类的过程中采用多种策略进行优化,以保证聚类的效果。

Laboratory experiments were carried out to study the survival and development of the Harmonia axyridis feeding on Chaito phorus popleti on high insect-resisitance hybrid poplar 741(Pb29) and medium insect-resisitance hybrid poplar 741(Pbl7).The API 741 poplar was used as control.The mortality and development during immature period,adult,baby mass.eclosion and sex ratio of H. axyridis were measured.The results showed that:to contrast The API 741, Chaito phorus popleti on Pbl7 and Pb29 has no significantly impacts on eclosion,pupation, ecdysis,mortality of immature period and pupa stage;Although every development stage of ladybeetles were not affected to ,the pupal duration of ladybeetles was lowered than the control;The body mass,eclosion and sex ratio have no significant difference.

通过利用节肢动物群落及各个亚群落的物种丰富度、个体数、均匀度和优势集中性对多样性指数进行通径分析,表明了高抗Pb29和CK节肢动物群落及各个亚群落多样性指数与均匀度和优势集中性的相关系数最高,与其物种个体数关系最为不密切:对各组分进行通径分析均表明的多样性提高是建立在降低优势集中性和增加均匀度指数的基础上的,而且以优势集中性的直接作用效果较为显著。

There are two steeps to achieve the reliability distribution.

该方法可靠度的分配过程分两步:首先按可靠性再分配原理将系统的可靠度分配到各个最小割集;然后将需要调整可靠度的最小割集看成一个子系统,将最小割集的可靠度按基本事件重要度的大小分配到各个基本事件,即所谓二次分配模型。

Monte Carlo is a method that approximately solves mathematic or physical problems by statistical sampling theory. When comes to Bayesian classification, it firstly gets the conditional probability distribution of the unlabelled classes based on the known prior probability. Then, it uses some kind of sampler to get the stochastic data that satisfy the distribution as noted just before one by one. At last, it can obtain the posterior probability distibution of each unlabelled classes by analysing these stochastic data.

蒙特卡罗是一种采用统计抽样理论近似求解数学或物理问题的方法,它在用于解决贝叶斯分类时,首先根据已知的先验概率获得各个类标号未知类的条件概率分布,然后利用某种抽样器,分别得到满足这些条件分布的随机数据,最后统计这些随机数据,就可以得到各个类标号未知类的后验概率分布。

Chapter V introduces individual model block of system having been developed in Chapter IV, programmes of the model block ^ tool of the programmes and method of use for the system .

论文第五章介绍了第四章中开发出的集成系统的各个模块、模块的程序、程序中用到的各个工具函数以及该系统的使用方法。

Since the first transistor was invented in 1947, the microelectronics science and technology focused on integrated circuit has been developed rapidly with Moor's law, and was considered as the rapidest science and technology developed in the history of human being. And it has infiltrated in lots of technological fields, such as computer, electronics, communication, auto-control, instrument, and so on. It becomes the mark and foundation of development of information age. Microelectronics covers lots of fields, such as the theories of semiconductor, design, fabrication, packaging and assembly, test, etc.

自1947年晶体管诞生以来,以集成电路为核心代表的微电子科学与技术沿摩尔定律发展迅速发展,它是人类史上发展最为迅速的一门学科,它已快速渗透到计算机、电子、通讯、自动控制、仪器仪表等各个领域,它已广泛应用于国民经济的各个领域及人们的日常工作和生活设置中,它已成为整个信息时代的标志和基础。

So, wine culture, as one of the national culture, in each country, among the each historical long river of nationality, its thing of accumulation peculiar, all regular, all bear from head to foot.

所以,作为民族文化之一的酒文化,在各个国家,各个民族的历史长河中,其所积淀的东西都是特有的,都是固定的,都是上下相承的。

Traditional grammer phase ; The beginning of contemporay linguistics ; Structuralist grammer phase ; Transformational generative grammar phase

从历时的角度回顾了西方语言学的发展历史,并根据各个时期的特点,把它分为四个阶段:传统语法学阶段、现代语言学的开端、结构主义语法学阶段、转换生成语法学阶段,并概述了各个时期的特点及重要贡献。

There is some evidence that the races which were subsequently united under the Persian monarchy, and those which peopled the peninsula of India, had all their heroic age and their era of aristocracies; but a military and a religious oligarchy appear to have grown up separately, nor was the authority of the king generally superseded.

有些证据证明,后来结合在波斯王朝统治下的各个民族以及散居在印度半岛上的各个民族,都有其英雄时代和贵族政治时代;但是在它们那里,分别产生了军事的寡头政治和宗教的寡头政治,而国王的权威则一般并没有被取而代之。

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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。