近年来

This article is based on the problem of development that high and advanced technology companies must face. According to detailed investigation on the adjustment of the structure of products and condition of management that all the data come from a typical case named Chongqing Ketai Company in the latest three years,the writer analyses the serious problems that arise from the duration of the adjustment on the structure of products. First,Ketai Company lacks the modem management and distribution conception,all the goods it owns are short of escutcheon,Second,the company are in great need of nuclear technology and products that are opened out by its own efforts.

本文以中国近年来发展迅速的高新技术企业所面临的发展问题为背景，通过对一个典型案例——重庆科泰公司近三年的产品结构调整情况和经营情况的调查，结合该公司所处的行业背景、经济环境及公司自身的实际情况，全面分析了科泰公司在产品结构调整中出现的重大问题：第一，落后的营销观念，缺乏品牌意识。

In the algorithm similarity degree is a very essential and very important parameter, therefore this paper abandons the original self-adapted genetic algorithm's consistent strategy that algorithm do the mutation after the cross.

如何在已有研究的基础上，针对大规模这一特点，提出一些行之有效的算法，使调度算法更贴近实际应用，已成为近年来生产调度领域研究的一个新热点。

The humanistic spirit is resently understood from the point of essentialism by many Chinese scholars .

近年来 ，我国许多学者对人文精神的理解存在着本质主义的倾向。

In recent years studies about this has been increasingbut mostly is from the angle of sociology and ethnology .

近年来关于此问题的研究有所增加，但大多是从社会学及民族学的角度来考察。

Many years ago, cultural anthropology, and ethnology are concerned this issues, but now it is generally caused by people's concern.

以前，这主要是文化人类学、民族学所关心、研究的问题，近年来，它正在引起一般人的关注。

The ratio of energy consumption in the ethylene cracking furnaces is more than 50% in the all ethylene technology.

本文对齐鲁石化公司近年来在乙烯裂解炉节能技术应用的试验工作进行了深入研究。

To analyze the trend of etiology and risk factors of hypertension in elderly patients of recent years.

目的 分析近年来老年高血压病因及相关危险因素的变化趋势。

In recent years, the EU has been playing an increasingly important role in international affairs.

近年来，欧盟在国际事务中发挥着越来越重要的作用。

In recent years, with the development of directional solidification technique, a great deal of progress has been made in the research and application of eutectic solidification.

随着定向凝固技术的发展，近年来对共晶结晶的研究与应用又得到了进一步的发展。

The new research achievement in recent years was synthesized to expound the new mechanism of eutectoid reaction in steel,to make a new explanation for the mechanism of the interphase precipitation and to renew the concept of pearlite .

本文综合近年来的研究成果，阐述了钢中共析分解的新机制，对于"相间沉淀"机理做了新的解释，重申了珠光体的新概念。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。