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Ancient Man was not a hunter but the hunted, according to new research that suggests that human intelligence and social co-operation evolved to allow our ancestors to escape predators rather than to catch prey.

古代人类不仅不是捕猎者，反而是其它动物捕食的对象。最新一项研究结果显示，人类的聪明才智及社合作能力之所以不断进化，是为了使自身逃脱捕食动物的追赶，而非猎取它们。

Ancient Man was not a hunter but the hunted, according to new research that suggests that human intelligence and social co-operation evolved to allow our ancestors to escape predators rather than to catch prey.

古代人类不仅不是捕猎者，反而是其它动物捕食的对象。最新一项研究结果显示，人类的聪明才智及社会合作能力之所以不断进化，是为了使自身逃脱捕食动物的追赶，而非猎取它们。

ABSTRACT Lithium niobate, an excellent man-grown crystal, has many classical properties for both research and applications, such as electro-optic, acousto-optic, Thermal-optic, Piezoelectric and Photorefractive effects.

铌酸锂晶体是一种优良的人工晶体，它具有很多重要的性质如经典的电光效应、声光效应、热电效应、压电效应、弹光效应、光折变效应等等，而且在这些方面几乎都有很重要的应用。

The discovery and research of Sinanthropus pekinensis along with its cultural relics and sites have not only successfully settled the debate about whether Homo erectus belongs to the ape species or human species, which had puzzled the scientists for about half a century since the discovery of Java man in the 19th century, but also helped illustrate the process of evolution of Homo erectus, which filled the blank of this most important intermedium link in the complete evolution process from ape to human.

北京人&及其文化遗物、遗迹的发现和研究圆满解决了19世纪爪哇猿人发现以来困扰科学界近半个世纪的&直立人究竟是猿还是人的争论，确立了直立人这一演化阶段，填补了从猿到人这一完整发展序列中最为重要的中间环节，是认识人类起源和发展过程中的一个突破性贡献。

Bryan robinson, of the yerkes primate laboratory, has conducted remote esb research on simians, causing mothers to ignore their offspring, despite the babies' cries and turning submission into dominance, and vice-versa. dr robert heath, a neurosurgeon at tulane university, claimed a world record after implanting 125 electrodes into a subject's body and brain, and subsequently spent hours stimulating the man's pleasure centres.

导致母亲忽视他们的后代，尽管婴儿的哭和转向服从统治，并且，反之依然。robert heath博士，一个tulane大学神经外科医生，声称了一个世界记录，在移植了125个电极进入一个人类对象的身体和大脑后，花费数小时刺激这个男人的压力中心。

The findings, the first in a scries of reports from NatWesl that has started a five-year research project into teenagers and money, arc particularly worrying as this generation of young people is likely to be burdened with greater debts man any before.

NatWes1已经开始了一项历时五年的对青少年和钱关系的研究，现在揭示的是一系列报告中第一组结果。这些发现令人特别担忧，人们担心这一代的年轻人可能背负比以往更沉重的债务。

On the opening ceremony, yang Yan of assistant dean of Shanghai music college enlighten the professor delivers open address, the arrival that reachs each expert learned man is held to express enthusiastic congratulation in Shanghai music institute to this congress, introduced the general situation of Shanghai music institute briefly to each expert that attends plenary meeting, introduced configuration of music of Shanghai music institute to develop theory and history to study this studies the history that way develops and current situation, emphasize pointing out, shanghai music institute serves as one all long history and the musical college of tradition learning arteries and veins, study in musical configuration direction is having very good inheritance sex, the get onning that is the same as stylish times sound the research system with the more complete construction that also is in hard.

在开幕式上，上海音乐学院副院长杨燕迪教授致开幕词，对此次大会在上海音乐学院举行及各位专家学者的到来表示热烈祝贺，并向出席大会的各位专家简要的介绍了上海音乐学院的概况，介绍了上海音乐学院音乐形态发展理论和历史探究这一探究方向发展的历史和目前状况，强调指出，上海音乐学院作为一所有着悠久历史和学脉传统的音乐高校，在音乐形态探究方向有着很好的传承性，同时新时代的上音也在努力的建设更加完备的探究体系。

Hengyiyuan has three departments: sales department, engineering department and performance tenancy department. Insisting on "quality first and service primary", Hengyiyuan gets clients' trust and recognition with its exquisite technology and considerate service. During the past ten years, Hengyiyuan took part in kinds of important projects construction such as Music Plaza of Beijing Wangfujing Building, Music and Culture Plaza of Beijing Friendly World, Activity Center of Renmin University, Audio System of China Grand Theatre, Multi-function Hall's Lighting and Audio System of Kuangou Holiday Village and Construction Engineering Institute, Conference System of Beijing Nuclear Industry Research Institute, Multi-function Hall's Sound Reinforce System and Simultaneous Interpretation System of China National Coal Group, Multi-function Hall's Lighting and Audio System of Beijing University of Aeronautics and Astronautics, Lighting System of Beijing Conservatory of Music, Lighting System of Beijing Lvdejin Oriental Hollywood Performance Plaza and Multi-function Hall's Lighting and Audio System of Shahe Station and so on. In addition, the performance tenancy department offer sets of lighting, audio and other necessary equipment for the performance program like CCTV Art and Talk Show and Super Voice Girl, and even for the vocal concert by Lunhui Band, Yuquan, Man Wenjun, Han Hong, Liu Suola, Gu Juji, Lin Junjie and Chen Lin etc.

恒艺苑配有销售部、工程部、演艺租赁部这三大部门，始终坚持质量第一，服务至上的宗旨，把先进的技术和产品与客户的实际需要结合起来，把提供富有创意的专业化设计和精品工程与客户的投资回报效益结合起来，用精湛的技术和体贴的服务赢取客户的信任和赞誉，十几年来公司先后承接了北京王府井大楼音乐广场系统工程、北京友好世界音乐文化广场系统工程、北京人民大学活动中心系统工程、中国剧院音响系统工程、宽沟度假村多功能厅灯光、音响系统工程、建筑工程学院多功能厅灯光、音响系统工程、北京市核工业研究员会议系统、中国煤炭进出口集团多功能厅会议扩声、同声传译系统、北京航天航空大学多功能厅灯光、音响系统工程、北京音乐学院灯光系统工程、北京绿德金东方好莱坞演艺广场灯光系统工程、沙河站多功能厅灯光、音响系统工程等众多数不胜举倍受业内瞩目的重点工程，此外演艺租赁部还为CCTV《艺苑风景线》、超级女声、轮回乐队、羽泉、满文军、韩红、刘索拉、古巨基、林俊杰、陈琳等演唱会的文艺演出提供了成套灯光、音响及周边设备。

Main points of the thesis are as follows:(1) The main function models and information relations between these models in the CAPP system in the integrated CAD/CAM project are explained, a new process plan design method is mentioned based on analyses of process plan design. This method is based on the process plan prototype, and develops the prototype little by little until the perfect process plan is completed, the prospect of this method is discussed;(2) The feature abstracting rules and methods are studied, a feature coding system is developed based on GT, all the defined feature models are described by the mathematical methods;(3) The integrated method of CAD/CAPP based on features is mentioned, this method defines a feature exchanging model, and develops an interface software to exchange design data into technology data base, this technology data base includes the design and technology information of the parts;(4) The process plan reasoning method based on features is created, this method uses Mycin algorithm to solve the reasoning of the feature process plan. A process plan making system is developed. In this system part process plan is made by the semi-intelligent method, this method uses the feature reasoning, feature process chain searching and man-computer talking together;(5) The main structure of the HOPE system is introduced, a shaft drawing and its process plan made by this system are shown, the data process problem in process drawing making is also discussed;(6) A new method of describing process rule is introduced, this method uses IfThen rules and neural nets weight values together to describe process rules, the BP algorithm is adopted in this method;(7) The optimal machining sequence problem of the process steps on the same fixturing is discussed, optimal algorithms SA is applied to solve this problem, the result shows that this method is more efficient than the traditional method;(8) All jobs in the thesis are summarized. In order to carry out the research in the future, some rational proposals are given.

全文论述的内容主要有下列几个方面：(1)较为系统地阐述了CAD／CAM一体化工程项目中CAPP系统的主要功能模块及其信息流程，在分析工艺设计过程的基础上，提出了基于特征原型的渐进式工艺设计方法，并探讨了该方法的应用前景；(2)研究了零件特征提取的原则和方法，在成组技术的基础上，开发了一套基于特征的分类编码系统，并在提取零件特征的基础上，定义了零件特征的数据模型，开发了基于轴类零件特征的参数化设计系统；(3)研究了基于特征的CAD／CAPP集成的方法，通过定义零件特征数据模型的存储结构，开发了将设计数据转换到工艺数据库中的接口程序，为后续的CAPP系统提供必要的零件形状和工艺信息；(4)研究了基于特征的工艺推理方法，将Mycin算法应用到工艺决策中，开发了基于特征的工艺推理及工艺方案生成系统，在系统中综合运用特征推理、特征加工工艺链查询及人机对话相结合的半智能化方法确定零件加工工艺；(5)介绍了整个HOPE系统的总体结构，通过运行HOPE系统绘出了一轴类零件的零件图，并生成了该零件的加工工艺方案，初步探讨了基于特征的工序图生成技术中数据处理问题；(6)研究了工艺设计过程中知识如何有效表示的问题，提出了将显式的IF-THEN规则表示与隐式神经网络权值表示相结合的工艺知识表示方法，并利用BP算法进行了工艺知识表示的初步研究；(7)研究了工艺设计过程中同一安装下工步优化排序问题，利用神经网络中基于模拟退火的理论来解决该工步优化排序问题，实践证明该方法较传统的算法具有更高的效率；(8)总结了本文所进行的研究工作，为今后进一步开展工作提出了较为合理的建议。

A zoologist of 著 plum 契尼 section man is after long-term research insect gobble up the phenomenon of the foreign body with the animal cell, pointing out the white cell and liver, the 脾 organizations in the bodies in 1883 in of gobble up the cell to have to gobble up and digest the ability of the germs.

著名动物学家梅契尼科夫在长期研究昆虫和动物细胞吞噬异物的现象后，于1883年指出体内的白细胞和肝、脾组织中的吞噬细胞具有吞噬和消化细菌的能力。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。