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机械计算
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  mechanical calculation
     The computerization of wire mechanical calculation for pole line
     架空送电线路导线机械计算的计算机实现
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     In this paper we give some new mechanical calculation methods for solving classic powers sum formulas S_k(n)(k0,n∈N~+) and modern powers sum formulas T_k(n)(k0,(n∈N~+)) of natural numbers by three linear equations and mathematics software Mathematica4.0.
     利用三个线性方程组与M athem atica4.0软件,给出求解古典自然数幂和公式Sk(n)(k 0,n∈N+)与现代自然数幂和公式Tk(n)(k 0,n∈N+)的若干新的机械计算方法.
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  “机械计算”译为未确定词的双语例句
     Mechanical Design of the Shaft of YZR2-Series Motors
     YZR2系列电机转轴机械计算
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     Application of ANSYS in the Mechanical Analysis of Electric Machine
     ANSYS在电机机械计算中的应用
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     A Practical Application of Vecfor Triangle Addition to Calculation for Oil Drilling/Production Equipment
     矢量加法三角形在石油钻采机械计算中的应用
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     This paper use a advanced program langue in the application development of a commercial FEA software ANSYS.
     本文通过一种高级语言对ANSYS这一运用范围广泛的商用有限元软件进行二次开发,将大量重复的机械计算过程封装成为一个整体。
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     Mechanically calculating basis,calculating program and results are introduced during design of the shaft of YZR2 series crane and metallurgical motors,and a method for calculating the rigidity of shaft welded with spider iron is given as a special example.
     介绍YZR2系列起重及冶金用电动机设计时转轴机械计算的依据与计算程序及结果 ,给出作为特例的焊幅铁转轴刚度计算方法
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  相似匹配句对
     We also give a new correction factor to simplify the calculation of the Unstatistic.
     的计算
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     Selection Calculation of Pavement Construction Machinery
     路面施工机械选配计算
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     CALCULATION OF RELIABILITY OF STRENGTH OF MACHINE ELEMENTS
     机械零件强度的可靠度计算
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     CALCULATION OF CAPACITANCE
     电容的计算
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     and mechanical exfoliation.
     机械剥蚀。
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  mechanical calculation
The results obtained are in a reasonable quantitative agreement with the detailed quantum-mechanical calculation carried out for individual atoms.
      
For neutrinos, the result of our complete quantum-mechanical calculation is about twice as large as the previous one.
      
Quantum-mechanical calculation of the frequencies of the normal vibrations and intensities of the IR and Raman bands of pyridine
      
A direct quantum mechanical calculation of the relative intensities of lines in resonance Raman (RR) spectra of thymine was performed.
      
Quantum-mechanical calculation of the intensity distribution in resonance Raman spectra of cytosine
      
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Based on Eulue's equation and Wu's theory a method for calculating axi-symmetrical flow through multi-component parts in pumps and water turbines is discussed. The equation is solved by means of FEM. The influences of a runner, and its parts ahead and behind and form of hub and shroud on flow field have been taken into consideration in calculation. The flow field ahead of a runner, of course, is necessary for solution of flow field in the runner, that can be worked out without using any experimantal data even...

Based on Eulue's equation and Wu's theory a method for calculating axi-symmetrical flow through multi-component parts in pumps and water turbines is discussed. The equation is solved by means of FEM. The influences of a runner, and its parts ahead and behind and form of hub and shroud on flow field have been taken into consideration in calculation. The flow field ahead of a runner, of course, is necessary for solution of flow field in the runner, that can be worked out without using any experimantal data even available. By this way, a more accurate result of flow field in the runner may be obtained. This seems to be valuable for machines, which have parts formed of blades in front of the runner. A comparison between the calculation result and measurement has been given in this paper.

本文给出水力机械中多个部件联合作用时轴对称流动的计算方法.该方法可以在同时计及转轮、转轮前后部件、轴面流道形状及工况变化等因素的条件下,给出机器内的流场特性.其中转轮前的流场特性,即轴面速度和环量分布作为整个流场中的一部分被解出.避免了转轮计算中来流特性给定时的不确定性,从而保证了转轮流场计算的准确性.这对于转轮前具有导叶、诱导轮或其它叶片式部件等情况下的计算有重要意义.计算以理想流体的欧拉方程和叶轮机械计算的准三元法为基础.方程利用有限单元法求解.给出了算例及其与试验结果的比较.

Some usual spatial mechanisms RSSR are solved by using computer-aided graphic method with special references to steering mechanism of tractor, cutting mechanism of combine, and pattern-stitching mechanism of silk loom. Results prove the method quite satisfactory with its higher degree of accuracy, acquiring clear intuitive pictures difficult to do with pure analytical method. Similarly, this method is suited to calculation of other engineering machinery.

本文以拖拉机转向机构、收获机切割机构和丝织机中的挑花机构等常见空间RSSR机构为例,采用电脑作图法进行了具体分析。由计算结果表明,完全满足计算精度要求,并得到单纯解析法难以得出的直观清晰的图形。同样,此法也适用于其他工程机械的计算。

Using finite element method,this article presents a mathematical model and computer program for the mechanical calculation of overhead transmission lines. The finite element method is a dispersed method,so it can be used directly to calculate the status for different loads,rigidity,etc.Also it is with high accuracy for it is derived from the basic equation of catenary.This article gives the proce- dure and the method for the calculation of independent,continuous and speciad spans with some examples as well.

本文提出了用有限元法进行架空线机械计算的数学模型和计算程序。有限元法是一种离散化的方法,它可以直接用来计算荷载不同、刚度不同的各种情况。它是在悬链方程基础上建立起来的,精度较高。本文对弧立档、连续档、特殊档的计算,提出了计算方法和步骤,并附有若干算例。

 
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