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Based on the fourth-order difference formula of the second derivative term, a fourth-order finite difference method is developed for solving two-points boundary value problem.
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摘要从中心差分公式出发，利用二阶微分的四阶差分公式，对两点边值问题得到了一种四阶精度的差分格式。 |
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Based on the fractal geometry theory, this paper constructed the fractal geometry of road network, and applied the Hausdorff dimension to the overall evaluation of road network.
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摘要基于分形几何学理论，构建了公路网的分维数概念，并将其应用于公路网规划整体性评价。 |
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Based on the fruits of social psychology, this study introduces a new moderate variable self-congruityto interpret adolescents' conformity, non-conformity and counter-conformity consumption behavior.
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本文以我国城市青少年为研究对象，在社会心理学研究成果的基础上引入了一个新的干扰变量－自我一致性，用于解释广泛存在于青少年消费者中的从众、不从众和反从众行为。 |
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Based on the full analysis of the fundamental conditions and problems encountered in the beginning of implementing agricultural Industrialization in Jilin province, this paper points out opinions and suggestions on how to steadily accelerate the course in
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文章针对吉林省实施农业产业化的基础条件、存在的主要问题进行了系统分析，在此基础上提出了实施农业产业化的看法以及推进农业产业化的建议。 |
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Based on the fundamental solution of two perfectly bonded elastic halfspaces, and using the boundary integral equation method and the finite-part integral concepts, the problem is reduced to a hypersingular integral equation in which the unknown function
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首先根据双材料空间的弹性力学基本解，使用边界积分方程方法，在有限部积分的意义下导出了以裂纹面位移间断为未知函数的超奇异积分方程。 |
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Based on the further analysis of the Owen's discussion, it argues that his statement of nonfiction that characterize the Chinese literary thought is a partially valid description of Chinese reading tradition and should be understood critically from a pers
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然而实际上，他所谓的“非虚构”传统主要是对中国古典文学中诗歌阅读传统的片面性描述，它概括了中国古人对诗歌意义的一种理解方式和倾向。 |
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Based on the gas flow model in gas reservoir and the fluid flow model in horizontal well, a couple model is developed and used for numerical computing study of single flow performance in horizontal borehole.
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摘要根据气藏内气体的流动模型和水平井井筒内流体的流动模型，建立了耦合模型，通过该耦合模型对气藏中的水平井井筒内单相流动特性进行了数值计算研究。 |
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Based on the gas flowrate method, a new one was developed to measure outgassing rate, which can be used not only at room/high temperature but also at low temperature even down to about 100K.
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开发了一种基于气体流量法的新法，不仅可以用于常温和较高温度，而且可以用于材料在低温环境下放气的测试，最低测试温度可以达到100K左右。 |
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Based on the general principles of the theory of case grammar, this paper mainly studies the weakening of case marking in Japanese.
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摘要本文运用格语法理论的一般规律和法则围绕日语格标识弱化现象进行了重点考察。 |
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Based on the general uncalibrated visual servoing algorithm, this paper presents a new visual servoing control scheme which estimates pseudo-inverse of image Jacobian matrix based on recursive least square algorithm.
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摘要在一般无标定视觉伺服算法的基础上，提出了一种基于递推最小二乘法估计图像雅可比矩阵伪逆的无标定视觉伺服算法。 |
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Based on the generalized potential variational principle of nonlinear elasticity theory with large deflection, the incomplete generalized potential energy functional with large deflection is established on the space coupling free vibration of collaborated
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摘要基于大位移非线性弹性理论的广义变分原理，考虑加劲梁轴向压缩应变能和剪切应变能的影响，建立了协作体系斜拉桥空间耦合自由振动的大位移不完全广义势能泛函，通过约束变分导出了协作体系斜拉桥的加劲主梁竖向挠曲振动微分方程。 |
