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模型近似
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  model approximation
     By layered crystal model approximation,all-electron linear augmented plane wave film method is employed to investigate the atomic structure of surface alloy Cu(001)c(2×2)-Pd.
     在层晶模型近似下,采用薄膜全电子线性缀加平面波(LAPW)方法研究了表面合金Cu(001)c(2×2)-Pd的原子结构.
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     The simple neoulike wave functions are chosen as the molecular electronic wave functions for CH4, NHS, H2O and HF with one center spherical model approximation determined by means of variational method.
     本文选用类Ne原子解析波函数,在单中心球模型近似下,利用变分法计算了CH_4、NH_3、H_2O和HF分子的电子波函数的变分参数及基态总能量。
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     With the annealed model approximation, the spin concentration dependence of the critical temperature of landomly site-diluted spin-1 Ising model on a honeycomb lattice is obtaind under the constraint exp(K). cos(J) =1.
     本文应用退火模型近似求得了自旋S=1淬灭座稀释蜂窝格子伊辛模型在约束条件exp(K)·cosh(J)=1下的临界温度与自旋浓度之间的关系.
短句来源
     The simple lithium wave functions are chosen as the electronic wave functions of the H52+ cluster with one center spherical model approximation.
     在单中心球模型近似下,选用类Li原子解析波函数,用变分法计算了H52+团簇正四面体中心结构与能量.
短句来源
     To avoid the performance degeneration caused by model approximation used in indirect reduced controller design methods, motivated by the static output feedback controller design methods, given order optimal dynamical output controller design methods are discussed.
     为避免间接法设计降阶控制器的模型近似引起的性能下降,本文在静态输出反馈控制器设计的基础上,直接设计了线性不确定系统的给定阶混合H2/H∞动态反馈控制器.
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  “模型近似”译为未确定词的双语例句
     The results showed that the pharmacokinetic model of BLA in healthy volunteers after injection conformed to single compartment model, and values of Tmax, Cmax, AUC0-∞, k and t1/2 were 0.9h, 1.134ng/ml, 6.014ng.
     试验结果表明,草乌甲素注射剂在健康志愿者体内的药动学模型近似一室模型,药动学参数:Tmax=0.9h、Cmax=1.134ng/ml、AUC0-∞=6.014ng.
短句来源
     The solid-solid reaction is as follows TiCl_4·2Et_2O+2AlCl_3—→2AlCl_3·Et_2O+TiCl_4 After treatment with TiCl_4·2Et_2O complex the surface structure of the catalyst could be described approximately by a three layer model. Properties of the catalyst are effected by the donor and acceptor components from which the titanium ether complex is formed.
     TiCl_4·2Et_2O+2AlCl_3→TiCl_4+2AlCl_3·Et_2O 经钛醚络合物处理后的催化剂表面可用三层结构模型近似
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     Additionally,the comparison between these two methods is made. Due to the approximate model-independence of ANC method,the final results are adopt the values given by the ANC method. The ANCs are 1.93+0.17 fin-1/2,1.84+0.16 fm-1/2 and 0.15+0.01 fm-1/2;
     由于ANC方法的模型近似无关性,采用该方法给出的值作为最终结果:13C基态、第一和第三激发态ANC系数分别为1. 93±0. 17 fm-1/2、 1. 84±0. 16 fm-1/2和0. 15±0. 01 fm-1/2;
短句来源
     Under the quasi-Δ_(33) doorway state model, The T matrix for π-~(12)C elastic scattering at the (3,3) resonance region is calculated.
     本文在Δ_(33)准门口态模型近似下,计算了(3.3)共振区的π~--~(12)C弹性散射的T矩阵,着重分析了模型参数的变化对角分布、总截面的影响。
短句来源
     Three jobs concerning NCD theory and model, are done: approximate realization and experiment of NCD model, explanation of Information Retrieval with NCD, comparison of empirical model with NCD model and explanation of empirical model by NCD model.
     一,在NCD理论和模型方面做的工作主要有三:信息检索的NCD解释、NCD模型近似实现和试验、经验模型和NCD模型的比较和解释。
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  相似匹配句对
     E model of CRM.
     E模型
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     model.
     模型
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     A Vector Model of Approximate Reasoning
     近似推理的向量法模型
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     The Models of Approximate Algorithm
     近似算法的几种模型
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  model approximation
The optimum design of the side walls of the supersonic section of a three-dimensional nozzle with two planes of symmetry is considered in the narrow channel model approximation, which reduces three-dimensional to two-dimensional flow.
      
The method is based on the gel model approximation with new boundary conditions for the minor-ion charge density (counterions and ions of salt).
      
The experimental data in the high-temperature region of the α-phase (290-1150 K) are approximated by an equation obtained within the two-band model approximation, and in the region of the β-phase-by linear dependence.
      
A simplified (model) approximation to the general solution is suggested that allows β(α) and α(s) to be written to any loop order.
      
The time behavior of three parameters characterizing the seismic process development, namely, the number of seismic events, accumulated conventional strain, and total energy of the events, was examined in terms of the model approximation.
      
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Liquidus isotherms at temperatures 800,900,1000,1100 and 1200℃

本文用电子计算机根据准规则溶液(quasi—regular solution)模型近似,计算了Ga—As—Ge三元系在800,900,1000,1100和1200℃的初晶为GaAs的液相等温线。计算结果和文献中实验测定值符合良好,它比前人报导的规则溶液(regular solution)模型计算值更为符合实验值,这对高温时尤为明显。

A stairs model approximation for stable linear time-invariant system is given in this Paper.It has been proved that by the control law derived from this model under a fitting choice of its parameters, the closed-loop system is always asymptotic stable without the assumption of monotone step response.The sampled period can be chosen arbitrary thus, the control quality of closed-loop system is improved considerably.

本文对稳定的线性时不变系统提出了一种阶梯模型近似.证明了由此导出的控制律在适当选取它的参数后总能成立闭环渐近稳定性而不必要求系统具有单调的阶跃响应,控制器的采样周期也不再受到限制,从而使控制品质有了较大的改善.

Theseries expansion of magnetic axial force between two magnetsmagnetized axially and uniformly is deduced in this paper. In addition, the FORTRAN program of calculating this series is complied and passed in FELIX C-512 computing system.Using the program, the calculation on magnetic force is 2.6 seconds,and the inner store capacity required is approximately 14 K.The method and apparatus to measure magnetic forces for examining the ccnformity of practice and theory is established.It proved the relationship between...

Theseries expansion of magnetic axial force between two magnetsmagnetized axially and uniformly is deduced in this paper. In addition, the FORTRAN program of calculating this series is complied and passed in FELIX C-512 computing system.Using the program, the calculation on magnetic force is 2.6 seconds,and the inner store capacity required is approximately 14 K.The method and apparatus to measure magnetic forces for examining the ccnformity of practice and theory is established.It proved the relationship between magnetic axial and radial forces qualitatively meets which is in Ref.[1].And demonstrated that, in regard to calculate magnetic force for permanent magnets like ferrites or earth-transition metal compounds possessing high inner coercivity,a satisfactory conformity of the calculatin with measurements that an cae obtained by adopting uniform magnetization model.

本文推导了两个轴向均匀磁化轴对称磁体间磁轴向力展开式并用FORTRAN语言编写了电算程序,该程序已在辽宁省计委计算中心的FELIX C-512机上调通,计算一组磁力数据约需时2.6秒,所占内存约14K。为检验理论与实际符合的程度,作者建立了磁力测量方法和装置。测量结果从定量上证实了文[1]关于磁轴向力与径向力相互关系的论断,同时表明对磁力计算来说,象铁氧体和稀土—过渡族化合物这类高内秉矫顽力永磁采用均匀磁化模型近似已经可以得到较满意的与实测符合的结果。

 
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