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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
The refined industrial olefins as raw material could meet with the requirements of continuous alkylation.
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The grain in the workpiece is refined obviously after multi-pass pressing.
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The terminal functional of a general control system is refined by studying an analogous problem for a variational system and regularization.
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Certain hypotheses concerning optimal control are refined and the relationship between the Pontryagin maximum principle and Bellman's dynamic programming method in the context of these hypotheses is discussed.
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Malyugin on linearization of arithmetical models of logical functions are interpreted and refined from the viewpoint of modern techniques of logical design of integral circuits and nearest neighbor technologies.
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| | The band width of the ionic crystals with small mobility is so narrow, that suppling some impurities in the crystals deviates the periodic potential and the concept of ideal crystals is not applicable. For such crystals we must take H-L approach. In this work we calculated the mobility of the carriers, and refined the method of colculating the transition probality due to the fluctuation of impurity potential. | | 小迁移率离子晶体的能带宽度是很狭的,因而掺入一定杂质后晶体中的周期位将有偏离,从而理想晶体的概念不再适用,对这种晶体而言我们必须应用Heitler-London近似,在本文中我们计算了该类晶体载流子的迁移率,此外我们应用杂质位的起伏改进了计算极化子跃迁几率的方法。 | | 文摘来源 | | Details of both the least sguare finite element method and Galerkin finite element method are described. Those are rational mathematical approaches for finite element models of differential eguation when the eguivalent functional is not known or does not exist.In this study the author proposed a refined method by introducing difference operations in formulating the least square finite method. As an example the elastic plate problems be solved by this method. | | 本文介绍根据伽辽金法和最小二乘方法用有限元素法解微分方程式的具体内容,在指出各有的特点之后,提出为克服最小二乘有限元素方法的某些弱点而建议采用引进差分算子的方法。最后并用这样的方法来解算弹性薄板。 | | 文摘来源 | | With the refined bending strip element and plane stress strip element combined together to form a special strip element, the static strength analysis of both the ship hull grillage and the ship compartment is made by the finite strip method. It is shown that the computer storage and computing time required can be considerably reduced and the accuracy obtained is better than that by the finite element method, | | 本文根据有限条法,将高精度弯曲条元与平面应力条元组成一空间条元,对船体板架、立体舱段进行静强度分析计算.结果表明,本方法能大幅度节约计算机内存和计算时间,而且计算精度一般较有限元方法高. | | 文摘来源 | |   | | << 更多相关文摘 |
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