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The principle and characteristics of grey model are studied in this paper. The dynamic model GM(1,1) in the form of differential equation are modeled and used to forecast the newspaper circulation.

本文讨论了灰色模型的机理和特点，建立了描述我国报纸发行系统发展规律的灰色动态模型，并据此对报纸发行量进行了预测。

An algorithm for hydrodynamic calculation of a simple or a parallel natural circulation in a heat-water boiler and for calculation of the temperature at the inlet of a downcomer is introduced briefly in this paper.

本文简要介绍了自然循环热水锅炉简单循环网路、并联回路的水动力计算方法和下降管入口水温的计算。

Electrization, Automation and Integration are irresistible general trend of the development of modern logistical industry They are also objectives that the logistical industry in china eager to realize,Aimming at the critical demands and kernal proccess of the enterprises engaged in cargo circulation : Cargo Distribution, This paper proposes the design of vehicle scheduling and management system ?

物流的电子化、自动化和一体化是现代物流发展的必然趋势。也是我国流通行业努力实现的重要目标。针对我国流通企业的关键需求和流通企业的核心业务——货物配送，本文提出了车辆调度管理系统的设计。

In order to remain their advantages, Household appliance manufacturers flood to be in combination with channel businessmen to establish new household appliance supply-chain system of production、circulation、consuming together with traffic、fund flow、logistics to lower cost.

为了在竞争中保持优势，家电厂商纷纷联合渠道商建立信息流、资金流、物流于一体的家电生产、流通、消费的新型家电供应链体系来降低成本。

Seek science and humane circulation, nomatter on the natural space, or in the field of the society, or is launchingomni-directionally during the process of studying , for example drink the ethicsproblem of the Human Genome Project to the security of the transgenic food, geneticengineering expert and ethicist have produced common attention , and the arrival ofcybertimes and prosperity of network culture, make the expert and art of the networktechnology learn to form alliances in the family again.

寻求科学与人文的融通，无论在自然的空间上，还是在社会的领域中，或是在研究的过程中，都全方位地展开着，比如对于转基因食物的安全性喝人类基因组计划的伦理问题，基因工程专家同伦理学家产生了共同的关注点，而网络时代的到来以及网络文化的繁荣，又使得网络技术的专家和艺术学家结成了联盟。

The frequency of heart circulation disease occuring is evidentially higher in diabetes patients and in people without diabetes.

糖尿病患者心血管疾病的发生率明显高于非糖尿病患者，因糖尿病心脏病而死亡的人数约占糖尿病患者死亡率的80％，其中70％是死于糖尿病性冠心病。

I would rather ride on earth in an ox cart, with a free circulation, than go to heaven in the fancy car of an excursion train and breathe a malaria all the way.

我宁可坐一辆牛车，自由自在来去，不愿意坐什么花哨的游览列车去天堂，一路上呼吸着污浊的空气。

The nucleation of flocculent sludge as seed in a mesophilic Internal Circulation Anaerobic reactor was investigated with a quantitative method proposed by us in this paper.

采用本课题组建立的定量方法研究了中温内循环厌氧反应器中絮状污泥的成核过程。

Reference News" and "Fortnightly Chat have the largest circulation in China in terms of daily newspaper and magazine respectively.

新华社编辑出版近40种报刊，其中《参考消息》是全国发行量最大的日报；《半月谈》是全国发行量最大的杂志。

The evolution of frontal rainbands happening during the frontogenesis induced by deformation field is investigated through the numerical cloud model. Besides, in order to get insight from the results of numerical simulations, the semigeostrophic frontogenesis model is used to investigate the effect of diabatic heating on the frontogenesis and the analytical method of WKBJ is used to study the influence of large-scale deformation field and frontal circulation on the development of symmetric disturbance happened in the frontal zone.

为了加深对数值模拟结果的理解，还利用半地转模式对非绝热加热影响锋生的过程进行了讨论，通过WKBJ方法讨论了变形场锋生条件下对称扰动的发展，从中可以了解大尺度变形场和锋生环流对中尺度扰动的作用，这方面的工作可以对前面非静力数值模拟结果的理解提供帮助。

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。