文摘

The characteristics of the mechanism with an optimal structure and the basic principle of the design for the mechanism are discussed,and several design cases about a numerical control surface grinding machine for steam turbine cylinder are presented in detail.

文摘：介绍了具有最优结构的机构特点及其设计的基本原则，并应用于汽轮机缸体数控随形磨削机的最优结构设计。

Using the document s and materials concerned,the study on the possibilities of developing woman 3000-meter steeplechase in China was made in following aspects: the spiritual and character factors of Chinese female athletes,the bodily form features of Chinese middle-long-distance woman racers,the present level of middle-long-distance race in China,the experiences in developing new sports events in our country,and so on.

文摘：综合运用文献资料方法，对我国开展女子3000米障碍跑的可行性，从我国女子选手的精神品质因素、中长跑项目的水平与基础、我国女子中长跑选手身体形态特征以及我国开展新设项目的经验方面进行研究，并对我国开展女子3000米障碍跑项目提出看法和建议。

Summarized article architecture and pointed out its significance for organizing abstract; Constructed a new method for finding new Chinese word which employs the legend tree technique. The recognition of the elements of document structure and the recognition of multi-level subhead were discussed in detail.

总结了常见的文章体系结构，分析了它对文摘生成的指导意义；提出了一种采用联想树和信息增量技术进行新词识别的方法；对文章结构元素的识别进行了细致地分析，重点构造了多级小标题的识别方法。

Methods and main equipment of waste heat recovery in sulphur-buring sulphuric acid plants are described.

文摘：系统阐述了硫磺制酸生产过程中的废热回收方法、主要设备和提高热回收率的措施。

A strong ilmit theorem for the weighted sum of discrete random sequences is gotten by the method of net differentiability.

文摘：利用网微分法，给出了离散型随机变量序列加权和的一个极限定理。

The important significance and function of development of supersonic military aviation are briefly discussed.

文摘：简述了超音速军用航空发展的重要意义和作用。

Articles about the theory of "distribution function of surface charge density" are reviewed and that this theory is incorrect is argued from viewpoint of symmetry.

文摘：从对称性角度出发讨论了导体表面的电荷分布问题，并对"电荷密度分布函数"的理论作了评述。

Discussed the subject on the rich symbiont germplasm resource in China and on further research being necessary to exploitation and utilization of the benificial germplasm.

文摘：针对我国主要豆科作物大豆和花生的研究成果，并结合本身研究工作内容，(1)总结了与宿主共生的根瘤菌生物学多样性，包括大、小样本的土著根瘤菌群体数量、分离频率、类型与分布及其菌株―宿主共生混交性与亲和性；(2)评述了根瘤菌―宿主植物共生体双边固氮改良，包括优良菌株的选育、宿主品种资源共生特性的评价与利用及特异性状的选择；(3)讨论了我国这一类共生体资源的丰富性以及有必要进一步加大力度研究有益资源的开发和利用的问题。

This paper presents the yield conditions of the axis symmetric circular plate and shallow spherical shell of the reinforced concrete and determinates the limit load of the axis symmetric circular plate and shallow spherical shell of a simply supported using this yield conditions.

文摘：文章导出了基于双剪屈服准则下的钢筋混凝土圆板和球扁壳的屈服条件，并利用此屈服条件求解了极限荷载。

competition in the modern knowledge, tacit knowledge to become a tremendous competitive advantage, more and more attention.

文摘 ：现代知识竞争中，隐性知识成为能带来竞争的巨大优势，越来越受到人们的重视。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐