迭代的

The author studies systemically the plasticity mechanics and researches the bounding surface plasticity constitutive model of soil in details.

采用自适应多步积分、局部迭代和射线回退相结合的积分方法，给出了边界面塑性本构关系数值实现过程。

By using static gap element theory, calculating the drill string friction through nonlinear mechanics iterative, the size and distribution rule of friction are found .

本文利用静力间隙元理论方法，对钻柱摩阻力进行非线性力学迭代计算，得出摩擦阻力的大小及其分布规律。

By central difference in time and space and boundary conditions, equilibrium equations of warp are transformed into the definite equations and solved by Newton\'s iteration.

通过在时间和空间上对拖网曳纲平衡方程组进行中心差分以及首尾边界条件的处理，将该方程组转换为定解代数方程组，并采用牛顿迭代法求解。

According to the non-linear characteristic of the transmission line, this paper used the convergence factor to adjust the course of iteration.

根据导线结构的非线性特点，采用了收敛因子来调整迭代过程。

In this paper, we apply the Chebyshev polynomial to the SOR method and get the C-SOR method.

首先， 在研究了SOR 方法后，我们得到了 SOR 迭代矩阵松弛因子的区间。

ABSTRACT This thesis is devoted to the design and security analysis of block cipher systems.

本文主要研究迭代型分组密码体制的设计与安全性分析。

The optimization algorithms are commonly used to approach the minima of the roundness objective functions through iteration when a microcomputer is applied to assess roundness errors by minimum zone, minimum circumscribed circle, and maximum inscribed circle methods.

引言在用计算机求最小区域、最小外接圆和最大内切圆评定法求圆度误差时，广泛采用最优化算法，通过迭代去逼近目标函数的极小值。

The simulation of design has been conducted by matrix method combined with iterative method.

操作型模型分别以T_0、T_K、处理量F_0、出料浓度x_等不同控制变量为未知变量并采用矩阵法结合迭代法进行操作模拟计算；在操作模拟计算的基础上，建立了复杂多效蒸发系统操作优化模型，该模型以浓缩成本最小为优化目标，以T_K和F_0为决策变量，采用遗传算法结合矩阵法求解。

The weighted least square iteration computational equations and error estimate equations are given.

给出了加权最小二乘法的迭代计算公式和误差估计公式。

On the other hand, an iterative hard shrinkage algorithm is obtained by using the generalized conditional gradient method, as well as convergent theorems for Solutions and stopping criterion.

此外，利用广义条件梯度法得到了迭代硬阈值算法，并给出了解的收敛性定理和停止准则。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。