一种新的混合遗传算法在机器人导航模型中的应用研究

对混合遗传算法作了分析并将其应用于机器人路径规划,建立起一种新的机器人导航模型。该模型与目前的一般混合遗传算法模型相比具有较高的可靠性。     

高频词与低频词的界分及词频估算法

Mr. J.C. Donohue, in 1973, believe that there was a critical value in the demarcation of high-and low-frequency terms used in articles, and at the same time he proposed formulas of calculation. On the basis of adopting maximum value to determine grades of terms, this article brings forth and introduces a new formula of demarcating the high-and low-frequency terms which is not only simple and direct in the process of calculation but also more practical as compared with that of Mr. Donohue. Having made a study of ways of calculating for various kinds of terms with similar frequency,the article also gives a formula of calculation and reveals the inheret law governing the number of frequency of terms ans terms with similar frequency.The author holds that the frequency of terms appeared in the article and the number of terms with similar frequency have something to do with the number of different terms but have nothing to do with the length of the articles.10 formulas.5 tables.4 references.     

体质与保健的关联性(续)--兼论食健字保健品的设计思路

1，遗传体质与自发的环境因素的关系。遗传体质是发病的自发性内因，外界的随机性的环境因素的变化，如吃、穿、住、用、乐及防病养生观的不适合民族体质特征的变化，是疾病的诱发因素，探讨体质因素对于养生、保健、治疗都极为重要。很多病人都带有先天的遗传特性。这是你的基因所决     

动力工程

湿蒸汽两相压缩过程工作特性理论研究；户用沼气池综合效益评价方法；温粘效应下椭圆瓦轴承动特性系数一维模型算法分析；2005年煤炭经济运行评析；[编者按]     

关于我国离婚法定条件的探讨——混合标准还是单一标准

关于离婚法定条件的探讨贯穿于我国婚姻法发展的整个过程。从1950年新中国第一部婚姻法到1980年婚姻法的重新制定,乃至2001年婚姻法的修订,都是一个探索的过程,但探索的结论并没有很大的突破,仍是将离婚法定条件定为感情或婚姻破裂的单一标准。出于完善我国婚姻立法中的法理基础的需要,笔者以为应在我国婚姻立法中确立混合标准的离婚法定条件。     

开端式学习环境研究

开端式学习环境（0pen—endedlearning environments）是一种以学习者为中心、以技术为支撑的学习环境。介绍了开端式学习环境的4个组成部分，阐述了开端式学习环境的特点，分析了开端式学习环境面临的问题。     

CAJ-CD对高校图书馆的影响

分析了中国学术期刊(光盘版)(CAJ—CD)的特点，它对高校图书馆期刊工作、用户教育、参考咨询、电子化以及人员素质的影响.     

新发现的普9美术邮资封长加盖版式及特征

《集邮》1986年第5期,赵人龙发表《新中国第一套美术邮资封》,首次介绍普9型美术邮资封第二组,即编号6-1957至10-1957的5种封,背面均有"长加盖"的涂盖加印版式。《集邮》1997年第11期,瞿百顺《普9美术邮资封版式研究》一文提出,在上     

美国中文文献书目控制自动化述评

According to the statistical data of 1991, there are over a hundred libraries in North America holding a total of more than ten million Chinese, Japanese and Korean materials, among which there are 50%-80% Chinese records. The initial study made by the United States of bibliographic control of Chinese material dates from the last decade. Among the departments that made the study, the RLIN (Research Library Information Network) and the OCLC (On-Line Computer Library Center) are the two systems of uttermost importance.The paper reviews the development and the progress of the automation of bibligraphic control for Chinese materials in the United States and the five focuses already discussed.9 illus.1 table.1 appendix.25 references.