dimensional field meaning in Chinese
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- Shadow dimensional field now at full strength
阴影空间场现在全开。 - However , the research and application are limited within two - dimensional field
然而对面积测量的研究应用均局限于平面。 - In this thesis , not only the two - dimensional field problem , but also the simple three - dimensional model are explored and calculated , and the results are satisfactory by comparing with the real ones
本文以二维场为主要研究对象，同时对三维模型进行了探索，得到了比较理想的结果。 - Numerical solution is mainly applied for this problem . adopting certain assumptions , this paper presents an approximate method of obtaining the temperature field by green ' s function , and gives the solution of a two - dimensional field involving a circular vacant flaw
通常采用数值计算，本文通过采用一定的假设条件，提出了温度场解析求解的近似方法，并对含有二维圆形空腔缺陷的试件温度场进行了求解。 - A highly efficient numerical algorithm by using multi - grid method ( mgm ) is introduced to solve the three dimensional field distribution in the present paper . formulae of the restriction and prolongation in mgm computation is deduced , and a 3d program of mgm is accomplished , which can solve the field distributions in electron optical systems for various electrostatic lenses . the 3d field distribution in an electrostatic concentric spherical model is tested with mgm algorithm and an algorithm based on finite difference method ( fdm ) respectively . comparing these two results in view of computational efficiency and computational accuracy , it appears that mgm is superior to fdm in solving electrostatic field distribution for the electron optics problem . this paper shows that the 3d field computation using mgm greatly improves the computational efficiency of field distributions in electron optical systems and shortens the computational time
本文将一种高效率的数值计算方法? ?多重网格法引入三维静电场分布的计算，多重网格法利用限制和延拓可迅速求得满足精度要求的场分布.研究了求解各种静电透镜电子光学系统三维场分布的多重网格法程序，验算了静电同心球模型的三维场分布.通过与目前在场计算中常用的有限差分法进行比较，可以看出多重网格法的计算效率和计算精度优于有限差分法.本文表明利用多重网格法计算三维场大大提高了场分布的计算效率，缩短了计算时间，因此为后续计算打下了良好的基础