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A large number of results from the study indicate that there is a close connection between stock price and trading volume. This paper uses econometric tools, draws on the plasticity and elastic conceptions in the mechanics fields and considers the relation between stock prices and trading volume in different aspects, in order to set up complete stock price plasticity and elasticity theory and apply this theory by carrying on empirical researches.
首先,本文介绍了股价波动的塑性和弹性理论的思想来源,定义股票均衡价格、股价塑性、股价弹性等新概念,通过选取某些个股在不同时段上的股价和成交量的走势图,分别说明了塑性和弹性现象的存在;然后建立了股价的塑性模型、弹性模型及弹塑性交叉模型,应用计量经济学方法对这些模型进行参数估计和检验,对模型进行理论解释,分析模型与现有投资分析理论的一致性;最后是对股票价格塑性模型和弹性模型的应用研究。
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A new idea is come up as"quasi-double-degree oscillation"to explain the actions of the upper and nether water rivulet on cable surface. And study of those oscillation by the equilibrium equation has established based on our new idea.
另外对拉索表面上下雨流的作用提出了拟弯扭双自由度驰振的思想,建立拟弯扭双自由度驰振的平衡方程并进行了分析。
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Based on the previous works, the paper first introduced and summed up the princi ples and characteristics of information processing of ANNs. Then the paper placed em phasis on their algorithms and theory foundation of application for operator approxima tion and patern recognition to lay the theory base for the study of the data-driven joint inversion.
在前人研究的基础上,本文首先归纳和总结了人工神经网络的基本原理和信息处理特征,并着重讨论了BP神经网络的算法原理和它在估计映射算子和模式识别方面应用的理论依据,为本次数据驱动的联合反演研究奠定了理论基础。
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For organizing vegetation submodel, started with the bottom-up gateway to agglomerate plot-data. The vegetation types must be confirmed before predictive vegetation mapping, therefore designed a transforming program to combine 585 plot-data from different surveys for the purpose. But the result of the classification and ordination of the combined plot-data couldn't display comprehensive vegetation types of Taiwan, because the plots were insufficient and disproportionate. Consequently, this study adopted the top-down gateway to divisive vegetation. After referring to Taiwan and east-Asia vegetation research papers and American national vegetation classification system etc., the physiognomic classification scheme of Taiwan had been drafted as vegetation submodel. The scheme included 4 levels: 2 classes, 5subclasses (subarctic, coldtemperate, cooltemperate, warmtemperate, subtropical), 8 groups (based on phenology and types of predominant leaf) and 16 formations (based on moisture regime and predominant taxa). And, the scheme dealt completely with the diverse nomenclatures of vegetation types in the past.
为建立植群亚模型,首先依「整合大量样区资料,由下而上的低阶植相聚类」之途径,设计建档程序及转档程式,成功整并不同来源之585个样区资料,但因样区数目不足且分布不均,分析结果未能显示出台湾完整的植群类型;故转循「预先设定植群类型,由上而下的高阶形相分类」之途径,经参考他国植群分类系统及台湾、东亚植群分类研究报告,订定分类原则及架构,提出4阶层之潜在植群形相分类方案:(1)寒原、森林2类群系纲;(2)亚寒带、冷温带、凉温带、暖温带、亚热带5类群系亚纲;(3) 8类群系组表徵优势植群之叶片的物候与形态;(4) 16类群系说明其水分境制及优势分类群;此方案统一处理了过去各种有关植群划分之纷岐名制,方案之各阶植群类型亦即本研究之植群亚模型。
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And final stay dot should be put on the study sth in order to apply it, put on the ability that solves real problem, put in transform subjective world to go up.
而最终落脚点要放在学以致用上,放在解决实际问题的能力上,放在改造主观世界上。
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Environment radon is mainly from rock and soil in geological environment, but the research is not connected with geological environment now. On the basis of physical field, the theoretical distribution model of radon in soil and exchange model of earth—air are set up by using Fick diffusion law and Dacy law, and then the research of environment radon is linked with geological environment. This paper described how the evry parameter of the theoretical model influence the radon concentration in air. The results of research indicat that molecule diffusion of radon is different from it's eddy form. Under the condition of surface radon source, the model experiment is used to study the transportation and distribution of radon in medium. The data of experiment show the relationship between radon and depth can be described by exponent. If the radioelement is well—distributtion, the concentration of radon in different depth or in different point at the same depth change with time, but the accumulated exhalation amount of radon at different point on the surface of model are close in relative long time. The author studied the exchange of radon between mediums and verified the theoretical models too.
环境氡主要来自岩石、土壤,而目前环境氡研究中与地质环境结合很少,为此作者以物理场为基础,运用气体运移的费克扩散定律和达西定律,建立起壤中氡浓度分布与大地—大气间氡交换理论模型,首次在理论上将环境氡与地质环境结合起来;论文中从理论上讨论了模型中各参数对空气中氡浓度的影响,发现空气中氡运移的分子扩散方式和湍流扩散方式存在明显差异;通过面状氡源条件下的氡运移模型实验,研究了介质中氡的运移与分布,实验数据表明氡浓度随深度的变化规律可用指数函数描述,在放射性元素分布均匀的条件下,介质中不同深度和同一深度不同点的氡浓度随时间而变,但介质表面不同点在较长时间内向空气中累计释放的氡的量是相近的;同时研究了不同介质间氡的交换,并验证了所建立的理论模型;运用理论模型预测青岛市城区壤中氡浓度、江西临川一住宅区空气中氡浓度及江西二个测区的区域空气中氡浓度分布,取得了较好的效果。
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Germ depends on, ability of child make a clear distinction between right and wrong is poor, lack controls oneself; Educational means is drab, learning environment is as dry as a chip and drab; Guide be short of break, grooming besides study and specialty still is these, and recreational activities of the other in the life little, and the recreational place spending of and so on of such as cinema is high, your child too far behind to catch up with, bring about the child to feel the life lacks colour very, produce repugn tired thereby, it is inimical behavior even.
根源在于,孩子明辨是非能力差,缺乏自律;教育方式单调,学习环境枯燥乏味;引导缺失,除了学习和特长培训还是这些,而生活中其它娱乐活动又少,而诸如电影院之类的休闲场所消费昂贵,令孩子望尘莫及,导致孩子觉得生活十分缺乏色彩,从而产生厌倦,甚至是抵触行为等。
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Based on the radiation characteristic of air speedy object, taking into account the synthetic influence factors of the real configuration of object, sun radiation, space long-wave radiation and the environment radiation around object, a further study for the effect of scarfskin pneumatic heating up, used equivalent resistance to estimate inner heat-resource and gave prominence to the influence on scarfskin radiation caused by engine heat-scattering, a logical and effective IR imaging simulation model for airplane is presented in this paper.
从红外辐射和热传导基本定律出发,综合考虑目标实际结构、太阳辐射、天空长波辐射、气动加热及周围环境辐射等因素的影响,依据空中快速目标热辐射特性,分析气动加热对飞机蒙皮辐射的作用,运用等效热阻对内热源部分进行估算,突出发动机传热部分对飞机整体辐射产生的影响,并建立一种可靠实用的空中飞机红外成像仿真模型,仿真过程中结合对空实拍红外图像进行动态调整,目标模拟结果真实感较强。
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Methods: in order to detect the effects of sulindac on cultured skov3, sulindac with different concentration and untreated control were set up. the changes in morphology of skov3 were observed by phase contrast microscopy. mtt colorimetric assay was used to study the effects of sulindac on skov3 cell growth. motility of skov3 was determined by scarification assay.
目的:研究舒林酸对卵巢癌skov3细胞的生长和细胞运动的影响以及对基质金属蛋白酶2(mmp2)、环氧合酶-2(cox-2)表达的影响:方法:将不同浓度的舒林酸加入培养液中观察其对skov3细胞形态的影响,采用mtt法观察舒林酸对skov3细胞生长的影响,通过划痕试验观察舒林酸对skov3细胞运动的影响,利用免疫细胞化学方法研究舒林酸对skov3细胞mmp2、cox-2表达的影响。
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First of all, from the design of the contemporary environment of the color change of thinking and starting to study the color in the new concept of performance, from a new sense of color and character changes in the use of summed up the new characteristics of color, such as color-hyun, reflecting the color, Self-luminous color and display aesthetics, graffiti and the new material on the impact of color, and interesting in a modern aesthetic with a new understanding on.
首先,从当代环境设计中对色彩的思考和观念的转变出发,研究色彩在新观念下的表现,从色彩的新感觉与性格的转变总结出色彩运用的新特点,诸如炫色、反射色、自发光色与显示屏美学、涂鸦及新材质对色彩的影响,并对其在现代审美与趣味上进行新的理解。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力