• Stamper or matrix is a metal plate with precise information. This one is a movie which will be on a DVD in a while.

    模具本身是一个储存着精确信息的金属盘,图中的这个用于制造电影DVD。

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  • The precise tangent stiffness matrix of space cable element is derived in this paper by using equilibrium equation.

    本文采用状态平衡方程推导出用超越函数表示的空间索单元切线刚度矩阵的精确表达式。

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  • Using EWMA to forecast the portfolio's dynamic transferred variance-covariance matrix, we can get more reasonable and precise dynamic transferred coefficient matrix.

    采用EWMA模型预测动态变化的方差-协方差矩阵,从实证的角度得到更精准的动态迁移相关系数矩阵。

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  • The precise expression of the stiffness matrix and computing code is developed.

    推出了精确的刚度矩阵显式,并编制了相应的计算程序。

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  • The precise critical force of a system can be deduced from the fact that the determinant of stiffness matrix of the system is equal to zero in the critical condition.

    由结构刚度矩阵行列式值为零的失稳条件导出结构失稳特征方程,从而精确地确定系统临界力值。

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  • Based on the original precise integration method, the problem that singular matrix appears in non-homogeneous equation was discussed.

    在原有精细积分法的基础上,对非齐次方程出现奇异矩阵的问题进行探讨。

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  • In this paper, the precise initial guidance law based on velocity gain guidance and the state transition matrix for orbit interception were proposed.

    对于轨道拦截问题,给出了一种基于速度增益制导和状态转移矩阵的精确初制导方法。

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  • The present model, as a simplified, practical but precise method, can simulate foundation stiffness matrix including the principal terms and the cross terms. It is worthy of widely application.

    该正交三梁模型可准确模拟基础刚度矩阵的各主元素和交叉项,简单实用,便于结构有限元建模,具有推广价值。

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  • It is a very complicated problem to analyze the stress of combined matrix, and the key point related to die life is to do it's precise analysis.

    组合凹模的应力分析是一个非常复杂的问题,对其进行精确分析是解决模具寿命的关键。

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  • In the determination of Cr, Ni, cu and Mn in alloy steel samples by flame AAS, the precise results are difficult to obtain because of the matrix-element fe interference.

    火焰原子吸收法(即aas法)测量钢样中铬、镍、铜、锰的含量,由于基体中大量存在铁元素的干扰。

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  • In this thesis, 3-d coupling vibrations of internal combustion engine shafting are presented basing on dynamic stiffness matrix and precise time-integration method.

    本论文以动态刚度矩阵和精细时程积分法为基础,分析了内燃机轴系的三维耦合振动形式。

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  • In this thesis, 3-d coupling vibrations of internal combustion engine shafting are presented basing on dynamic stiffness matrix and precise time-integration method.

    本论文以动态刚度矩阵和精细时程积分法为基础,分析了内燃机轴系的三维耦合振动形式。

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