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The main works of the paper are listed as follows:On the aspect of theory analysis, this paper is based on the full acquaintance of conditions of leisure research home and abroad, generalized the corresponding concepts and theories of recreational sport, intensive discussed the corresponding contents about leisure, recreational sport and leisure education. Moreover, concerned that launching education for recreational sport in colleges and universities will accord with the requirement which higher education cultivate the all-round development human being, accord with the trait of epoch which social economy highspeed development. There exist close relationship between education for recreational sport and college P.E. reform. The direction of P.E. reform should be scientific, lifetime and leisurable in the future. Put the forward that construct an educational model of recreational sport in college, it will help college student foster their habit of lifetime sport and better leisure lifestyle.On the aspect of practice research, this paper analysis on the questionnaire called " The survey on the factors of constraints in recreational sport of college student", this investigation included four hundred students in five colleges and universities in Sichuan province.

其具体研究工作如下：在理论分析方面，本文在充分了解国内外休闲研究现状的基础上，归纳总结了运动休闲相关的概念和理论，对休闲、运动休闲和休闲教育的相关内容进行了深入探讨，而且进一步就运动休闲教育在高校中的开展做出了理论层面的分析，论述了高校中开展运动休闲的教育，符合高等教育培养全面发展的人的需求，符合当今社会经济快速发展的时代特征，认为运动休闲的教育与高校体育改革有着紧密的联系，今后体育改革应该朝科学化，终身化和休闲化的方向发展，提出在高校建立运动休闲俱乐部的教育模式，认为运动休闲的教育有利于培养大学生终身体育的习惯和良好的休闲生活方式。

The lithi um ion battery is replacing nickel-cadmium and nickel-hydrogen cells at a tremendously fast speed and becoming the main power for consumptive elec tric devices. The market potential is great at home and abroad.

正以惊人的速度逐步取代镍铬和镍氢电池，并成为消费电子产品中的主要电源，从中国和全球市场来看，锂离子电池的市场潜力是非常庞大的。

The implication,charters,studying method and important point of fluid,present situation offluid studying and its developing level at home and abroad,and important means of relation-ships of fluid with plate structure ,metamorphism,lithogenesis and mineralization have beenelaborated in the paper.

本文阐述了当今国内外流体的研究现状、发展水平、流体的涵义、性质、研究方法和研究重点及其与板块构造、变质作用、岩浆作用、成矿作用、成矿作用的重要意义。

But,this capital construction has created a great quantity of secondary slopes and resulted in series environment problems.It divides slopes into three categories of lithoid slope,terrene slope and water body slope according to the characteristics of slope management and referring to the standards of slope category both at home and abroad.

这些基础设施建设破坏了原有植被及原生植物群落，造成了大量次生边坡，导致了一系列的环境问题，如水土流失、滑坡、泥石流、气候变化、生物链破坏等，引起了社会各界的重视，先后兴起了许多的防护措施，如传统的硬性支护，有挡土墙护坡、浆砌石等封闭护坡技术措施。

A general review on the research at home and abroad of photo-and microbic degradable film in recent decade, a prelimenary economic analysis in using degradable fihn and suggestions on future development are given in this paper.

本文对近十年来国内外关于光降解和微生物降解地膜的研究工作进行了综述，对应用可降解地膜的经济性进行了初步分析，同时对今后的研究工作提出了建议。

The hotspot of the utilization of Moringa oleifera Lam at home and abroad was introduced. The application of the nutritive value in animal feedstuff was stressed and discussed. Chemical composition, physical properties and development value of Moringa oil were analyzed. The application prospect of Moringa oleifera Lam in planting and food were forecasted.

介绍了国内辣木产品开发的热点，重点讨论了辣木营养价值在动物饲料方面的应用，分析了辣木油的化学组成、理化性质及开发价值，展望了辣木在种植和食品方面的应用前景。

As testicular structure is relatively complexity and originality, and there is conspicuous difference with outer morphous and interior structure for different fishes, so it has been focused by at home and abroad scholars.

由于鱼类精巢的结构比较复杂也比较原始，不同种鱼类其精巢的外部形态以及内部结构存在很大差异，所以受到国内外学者的普遍重视。

Various naphthenic acid products is well sold at home and abroad including the countries of Japan, U.S, Singapore, German etc. and have established friendly trade and business relationship with them.

各类环烷酸产品畅销全国及远销美国、日本、新加坡、德国等，并与他们建立了良好的贸易关系与业务往来。

Bromine and its mainly engaged in the production of downstream products and research and development, bromine annual output of 4,000 tons of products, quality standards in line with GB 2021-94, 2,6 dibromo 4 nitroaniline, more than 1,000 tons of annual production, quality to meet Customers as a standard, best-selling products at home and abroad.

主要从事溴素及其下游产品的生产和研发工作，溴素产品年产量4000余吨，质量符合GB 2021-94标准，2，6二溴4硝基苯胺，年产量1000余吨，质量以满足客户为标准，产品畅销国内外。

Moreover, according to supply and demand at home and abroad, and market price changes, and so on, will also be on the next year, oil, o-dichlorobenzene, nitrotoluene, oriented silicon steel sheet, seamless stainless steel tubes, marine boiler gearshafts, heat-sensitive business card printing, contact image sensor, wind power equipment and other products are no longer implemented a lower rate of tax on imported tentative recovery rates, and increase the fuel oils, distillation of sulfuric acid, sulphor, autoconer, fccl copper foil products imported to the tentative tax rate.

此外，根据国内外供需状况和市场价格变化等情况，明年还将对磷酸、成品油、邻二氯苯、硝基甲苯、取向性硅电钢宽板、不锈钢制无缝锅炉管、船舶用传动轴、热敏制卡头、接触式图像传感器、风力发电设备等产品不再实施较低的进口暂定税率，恢复最惠国税率，并适当提高了燃料油、升华硫磺、硫酸、自动络筒机、覆铜板用铜箔等产品的进口暂定税率。

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。