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截断
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  truncation of
    THE LINEAR EXPRESSION AND TRUNCATION OF DYNAMIC MATRIX OF STOCHASTIC STRUCTURES
    随机结构动力矩阵的线性表示与线性截断
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    Numerical results of the solution are obtained by truncation of the infinite equations and accuracies of the truncation arechecked by the extent to which the numerical results fit the continuity condition.
    通过截断计算得到解答的数值结果,并通过连续条件的满足程度检验了截断计算的精度。
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  “截断”译为未确定词的双语例句
    The author adopts Mur super absorbed boundary condition to solve the super strong reflection on the interceptive boundary when there is the forward simulation.
    为解决正演模拟时截断边界处的超强反射,采用了Mur超吸收边界条件,并以自制的探地雷达正演模拟程序为依托,对两个复杂的探地雷达模型进行了正演模拟,得到了正演剖面图。
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    NONLINEAR PROPERTIES OF THE SHEARED MAGNETO-HYDRADYNAMICS AT THE BOUNDARY LAYER OF THEMAGNETOSPHERE I. THE EFFECTS OF THEPERTURBATION OF FLOW ON MAGNETICFIELD
    磁层顶剪切磁流体非线性性态的谱截断法研究Ⅰ.流场扰动对磁场的作用
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    ANALYSIS OF THE CUT-ERROR AND THE PHASE ANGLE OF ERROR TRANSFER FUNCTION IN THE FINITE DIFFERENCE MIRGATION
    有限差分偏移截断误差及其传递因子相角分析
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    The other two faults show a counterclockwise rotation fault set and they depart each other by 1km. Luanhe valley is a downfaulted basin surrounded by a series of faults. The seismic tectonics of Lulong earthquake is a strike tending fault assemblage with tensional fracture feature.
    具体分析为两条NNE向断裂被一条NWW向断裂所截断,两组断裂呈脆性断裂常见的共轭状态产出,NNE向的地震断层与南北的已知断层似要相互连接,另两条断裂显示—左旋错动1km作用的地震断层组合,卢龙附近的滦河河谷是一个四面断裂包围的断陷盆地,卢龙地震的发震构造是一个走滑兼张性的断裂组合。
短句来源
    Then displacement continuity and stress equilibrium as well as other boundary condition is used to establish the algebraic equations, which is solved by Fourier expanding.
    以此为基础,通过复变函数和移动坐标方法,利用位移和应力的连续条件和其他边界条件,建立问题的无穷代数方程组,并采用傅立叶变换截断有限项,对其进行求解。
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  truncation of
Significant and escalating truncation of the redusome DNA causes cell aging due to an arising and increasing deficit of fRNAs and, for this reason, the lack of required ions near certain structural genes.
      
The proposed algorithm is reduced to the stepwise application to the tree of truncation of its vertices.
      
It was shown that the removal of 9-aa fragment by trypsin does not affect the catalytic activity of the receptor, whereas the thermolysin-induced truncation of the rhodopsin C-terminus by 12 aa about 1.5-fold enhances its activity.
      
This approach makes it possible to avoid uncontrollable errors introduced in the truncation of infinite series, and the error of the approach itself does not exceed a few percent.
      
However, the truncation of the series is also possible.
      
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In this paper, using the method of cut off spectrum, the nonlinear properties of the sheared magnetohydradynamics at the boundary layer of the magnetosphere are investigated. The primary results are: (1) the perturbation of flow causes the K-H instability; (2) the system is sensitive to the initial conditions, this will lead to purturbations of the system and is an essential reason why the dynamic property of the magnetopause is difficult to predict; (3) the kinematic viscoisity and the interactions between...

In this paper, using the method of cut off spectrum, the nonlinear properties of the sheared magnetohydradynamics at the boundary layer of the magnetosphere are investigated. The primary results are: (1) the perturbation of flow causes the K-H instability; (2) the system is sensitive to the initial conditions, this will lead to purturbations of the system and is an essential reason why the dynamic property of the magnetopause is difficult to predict; (3) the kinematic viscoisity and the interactions between flow and magnetic field may make the transfer of the momentum and energy; (4) the energy from outside may be transported into the system by the kinematic viscosity and couplings between flow and magnetic field.

本文用谱截断方法研究了磁层顶剪切磁流体的非线性性态。结果表明:流场扰动会使系统出现剪切不稳定(K-H不稳定)性;系统具有对初值的敏感性,这是导致湍动而使磁层顶动力学性态难以预测的根本原因;流场粘性及流场与磁场的相互作用使能量与动量在流场与磁场中转化和传输;外界能流通过粘性与耦合作用可周而复始地在系统中传递。

Based on the pseudo-similarity theory of turbulence, the continuity equation, the mean motion equations and the equations of the second order velocity correlation with ignoring the third order velocity correlation terms in a channel flow are solved numerically by means of the sucessive approximation, and the results of mean velocity, second order velocity correlations and the turbulent micro-scale are derived. The analysis are well agree with the experimental results.

本文根据准相似性理论,对渠道湍流场,采用奇阶截断和逐级逼近的方法,对连续性方程、平均运动方程和忽略三阶关联项的二阶脉动速度关联方程进行了求解,得到和实验结果较吻合的平均速度、二阶脉动速度关联项和湍流微尺度的计算结果.

In this paper,on the basis of a compressible magnetohydrodynamic model,the dynamics of the cometary plasma tail with a super-Alfvenic flow in the lobes arestudied numerically. The results show that the streaming tearing instability is excited by the sheared plasma flow which exists between the plasma sheet and the lobes.It causes magnetic reconnection and forms the magnetic islands and plasmoids with high plasma density in the plasma sheet of cometary tail.Furthermore the effect of a local driving force delivered...

In this paper,on the basis of a compressible magnetohydrodynamic model,the dynamics of the cometary plasma tail with a super-Alfvenic flow in the lobes arestudied numerically. The results show that the streaming tearing instability is excited by the sheared plasma flow which exists between the plasma sheet and the lobes.It causes magnetic reconnection and forms the magnetic islands and plasmoids with high plasma density in the plasma sheet of cometary tail.Furthermore the effect of a local driving force delivered by the solar wind on magnetic reconnection in the plasma tail of comets is also simulated.But its characteristic time is larger than that of the streaming tearing mode.It is suggested that some of knots and disconnection events observed in the plasma tail of comets may be mainly associated with the streaming tearing instability produced by the sheared plasma flow in cometary tail.

本文基于可压缩磁流体动力学模型,数值研究了尾瓣巾具有超Alfven速流动的等离子体彗尾的动力学特征.结果表明,等离子体片和尾瓣之间的剪切等离子体流动将会激发流动撕裂模不稳定性,引起彗尾等离子体片中发生磁场重联,形成磁岛和高密度的等离子体团.进而模拟了太阳风引起的局部驱动力对等离子体彗尾中磁场重联的影响,其特征时间远大于流动撕裂模.我们认为一些观测到的等离子体彗尾中的四块和彗尾截断事件可能主要与彗尾中剪切等离子体流动所引起的流动撕裂模不稳定性有关.

 
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