查询词典 substitution method

The deficiency for carrying out partial balance on inertia force of crank-slider mechanism by the formerly used mass substitution method has been pointed out.

指出了以往运用质量代换方法对曲柄滑块机构惯性力进行部分平衡的不足，运用MATLAB编程计算重新描绘出分别考虑一级惯性力和二级惯性力时各惯性力的变化曲线，通过优化程序重新估算了使机构中残存的最大惯性力的最小配重条件，并进行了理论对比。

this paper apply design patterns and principals "open closed principle","dependence inversion principle", and "liskov substitution principle" to construct a system framework which support all sorts of databases, and supply a method for exchanging different database systems by configuring parameters.

本文应用"开－闭原则"、"依赖倒转"、"里氏代换"等设计模式和原则，构造了便于扩充数据库类型的系统架构，给出了通过配置参数转换数据库类型的方法。

In addition, the influence of Al, Ga isomorphous substitution on the 29Si NMR spectra of zeolite was investigated by ab initio method.

最后用ab initio方法研究了Al、Ga同晶取代对分子筛29Si NMR谱的影响。

A new normalization method towards instruction substitution that was a commonly used metamorphism approach was proposed.

针对等价指令替换常用变形技术提出了相应的归一化方法。

To develop the missile quasi-linear model, a state space model is established for missile dynamics, and function substitution method is used to describe the nonlinear dynamics of missile as linear combinations of functions of given time-varying parameters. With the minimizing variation range of model parameters over the whole design envelope as the optimum aim, linear programming optimum arithmetic is used to determine the model parameters at selected grid points.

为了建立导弹准线性化模型，将导弹动力学描述为状态空间形式；采用函数替换方法将导弹的非线性动力学描述为关于特定时变参数的函数的线性组合形式；以整个设计区间内模型参数变化范围最小为优化目标，采用线性规划优化算法确定了所选网格点上的模型参数。

Regressive method of orthogonal conic substitution with 5 factors had applied to study the effect of different planting density and different application rate of N, P2O5, K2O and organic manure on the grain yield and economic benefit of spring corn, and the simulation model of yield formation of spring corn in the medium fertility field was set up.

2005年在长沙采用5因素2次正交旋转回归设计方法，研究了不同密度和氮肥、磷肥、钾肥、有机肥不同施用量对春玉米产量与经济效益的影响。

Based on the above work, a method is presented for translating LFC function definitions into the intermediate representation, which includes analyses of recursive parameters and definition forms of functions, parameter substitution, representation translation of patterns and expressions, transformation of function definitions from incomplete construction forms to complete construction forms, and pattern-matching translation.

在此基础上，设计了LFC函数定义到中间表示形式的翻译和变换方法，包括对函数递归参数和定义形式的分析，参数一致化，模式和表达式表示形式的翻译，部分构造式到完全构造式的变换，和模式匹配翻译等。

Based on the power series expansion of the general flexible matrix of the sub-system, a general expression of the dynamic stiffness matrix of the reduced model was derived from the exact expression of the reduced model for the direct substitution dynamic condensation methods. The general expression was also expressed as a power series of the unknown eigenvalues. After that, the validity and error of the Guyan condensation method were analyzed.

对于动力缩聚直接代入法，本文从降阶模型的精确表达式出发，利用子系统广义柔度矩阵的幂级数展开式，导出了降阶模型动刚度矩阵的一般表达，并把它表示为未知特征值的幂级数形式，在此基础上对 Guyan缩聚法的适用范围和误差进行了一般分析。

Kdr resistance and determination of frequences of kdr gene in house fly field population L1014F is the most common amino acid substitution in the kdr allele. The frequency of the L1014F kdr allele was determined by the method of PASA in fourteen field populations of houseflies with resistance factors at LD〓 for pyrethrin/ piperonyl butoxide and bioresmethrin/piperonyl butoxide from 4 to 29 and 2 to 98, respectively.

击倒抗性及kdr基因频率在家蝇野生种群中的检测 L1014F是击倒抗性等位基因最常见的突变位点。14个家蝇种群对除虫菊酯／胡椒基丁醚和苄呋菊酯／胡椒基丁醚的LD〓抗性倍数分别为4到29和2至98。

Meanwhile, a novel method was developed to introduce oligoethyleneglycol substitution onto the 3 position of pyrrole.

同时，还发展了一种在吡咯3位引进寡聚乙二醇链的新方法。

If you were not , and OS X just booted normally, have no fear.

如果你没有，和OS X刚刚启动通常，没有恐惧。

I only want to preserve our all .

我只想保存好我们的一切