from the theoretical analysis and empirical study above, the paper demonstrated that the grain foreign trade structure in china by far is conformable and reasonable integrated with the comparative advantage law of agriculture resources elements flow.

based on those study results, through the public economic theory analysis, this paper will focus on grain reserves and reaches a conclusion grain reserve is a public goods.

基于此，本文对粮食储备进行研究，主要通过公共经济理论分析，得出粮食储备为公共品。

the core idea of this paper is that the grain corporation should use the futures market on its own initiative in order to exert its advantages.

本文的核心是粮食企业应该积极地利用期货市场，学会在期货市场和现货市场上两条腿走路，以此发挥粮食企业的优势。

following that, this paper point out that grain corporation could not decrease price risk if they only do business on grain market.

本文在参考国外粮食企业如何减少价格风险经验的基础上，认为我国的粮食企业应该积极利用期货市场化解价格风险。

this paper designed a new grain lateral vibration plane screen on the basis of analyzing the current grain-cleaning machine.

针对目前谷物清选机械中存在的一些问题进行了分析，设计了一种新型的横向振动平面清选筛。

the paper presents a grain threshing and separating installation based on the technology of computer aided testing, it expounds the working principle of the sensors and also introduces the function of the software and hardware of the system.

设计了基于计算机测试技术的谷物脱粒与分离试验数据采集系统，分析了系统的传感、测量原理及系统的软硬件功能特点。

in this paper, the grain growth in the haz of three kinds of ultra-fine grain steels such as low carbon steel, commercial x65 steel and high purity x65 steel were evaluated.

研究了低碳钢、普通市售X65钢和高洁净度X65钢三种超细晶粒钢焊接HAZ的晶粒长大倾向。

this paper introduced the grain distribution testing method of pool capping mudstone, including the characteristics of the laser grain meter, the reagent, the testing principle, sample preparations and the testing result etc.

介绍了油气藏盖层泥岩的粒度分布测定方法，包括所使用的激光粒度仪的特点、所用试剂、测试原理、样品制备及测试结果等。

the paper described the grain damage characteristics of brazed diamond quill and electroplated diamond quill, and discussed their relations to normal grinding force during face grinding of the granites.

研究了钎焊金刚石磨盘和电镀金刚石磨盘磨削花岗岩的磨粒损伤形式及其与法向磨削力之间的相互关系。

based on the grain supply and demand under the different development strategies in the future, the paper identifies the grain trade scale and makes a prospect for the virtual water trade condensed in grain.

通过对未来我国在不同粮食发展战略下的粮食供需情况，确定我国粮食进口基本规模，对未来我国虚拟水贸易格局进行展望。

in this paper, fine grain parallelism is emphasized in the design of massively parallel computers to acquire higher performance, but the increasing communication overhead should be solved first.

为实现高性能有必要采用细粒度的并行，但必须解决其中增大的通信开销问题。

the paper gives the grain design analysis of the solid rocket motor for patriot pac-3 missile. the advantages of a slotted tube grain are analyzed.

对“爱国者PAC3”型低空拦截导弹主发动机的装药药型进行了反设计，分析计算了开槽管形装药药型的优点。

in this paper, a grain growth kinetic model in the weld heat-affectedzone ( haz) is proposed.

本文提出了一种焊接热影响区（HAZ）晶粒生长动力学模型。

this paper proved that grain size composition of pluvial fan conglomerate has self similar fractal structure by applying fractal theory.

应用分形理论证实了洪积扇砾岩的粒度组成具有自相似的分形结构。

in this paper, the grain filling process of different spikelet position of varieties was described with logistic growth equation.

对寒地水稻不同品种、不同粒位子粒灌浆过程进行了Logistic方程的拟合；

this paper forecasted the grain gross output of inner mongolia by improved back propagation algorithm with high forecast precision.

在改进B-P算法、提高B-P算法预测精度的基础上，对内蒙古粮食总产量进行了预测。

this paper discusses grain security in guanzhong basin based on the model of cultivated land pressure index and minimum area of per capita cultivated land through using lotus 123 for windows software and setting up the databases of people-cultivated land-grain production.

本文根据最小人均耕地面积和耕地压力指数理论，应用趋势预测分析和回归分析方法，建立研究区域粮食安全状况预测模型，进行预测分析研究。

according to the experiment results in this paper, grain protein content 10%-12%, starch content 57% and grain weight 45-47g/ 1000 grains could yield best malting quality.

蛋白质含量在11%一12%、淀粉含量>57%、千粒重为45一479时，其麦芽品质最好。

this paper discusses grain's heat transfer in the axisymmetric propellant packed bed with finite length and multi-layer wall, uses thermocouples to measure the temperature of grains.

该文研究了多层壁面有限长轴对称火药颗粒床中药粒的传热过程，采用热电偶对药粒的温度场进行实验测定。

this paper discussed grain fineness and superficial activation of inorganic fillers as well as their toughening and strengthening mechanism in modified polypropylene ( pp).

讨论了无机填料微细化和表面活性化以及无机粒子对聚丙烯增韧增强机理，介绍了无机填料对聚丙烯的改性效果与应用。

clara furse, the lse chief executive, told a press briefing: nasdaq does not have the right to veto or block the operation.

伦敦证交所首席执行官克拉拉•弗斯（Clara Furse）在新闻发布会上表示：纳斯达克无权否决或阻止此次操作。