离散化模型包括：（1）城镇人口的空间离散化模型；
The discretization model includes: (1) Urban population spatial discretization model;
此外，利用了WENO法求解等位函数方程的空间离散项。
In addition, the WENO method may solve the space discrete items of the level set equation.
该格式在时间上具有二阶精度，在空间离散上不低于三阶。
The present numerical method has the second order accuracy in time and no than the third order accuracy in space.
介绍了控制方程的空间离散和时间离散及时间项的四阶龙格库塔迭代法；
The spatial and time discretizations of the N-S controlling formulation were introduced. And four-stage Runge-Kutta iterative method of time discretization was introduced.
首先，通过特征线法和有限差分法得到了时间离散和空间离散的非线性状态方程。
First, the partial differential equations are transformed into discrete space, discrete time nonlinear difference equations through characteristic method and finite difference approach.
这种方法基于任意几何形状网格的抽样定理，利用六边形网格来实现空间离散化。
In the H-FDTD method, Hegxagon grid is used for the spatial discretization by virtue of peridodical sampling theorem based on arbitrary geometry.
采用分片双线性插值的空间离散方案，经解析处理，子域上的积分能得到闭式结果。
In space discretization, a piecewise bilinear interpolation is used. THe integrals over patches are carried out analytically in closed form.
本文提出了类条件概率密度随机变量（特征）空间离散化及类条件概率分布估计方法。
A discrete method for stochastic variable (features) space of class-conditional-probability density and estimation method for class-conditional -probability distribution is proposed.
讨论了与冰晶体压力相关的相变温度变化对空间离散系统数值积分和应力计算的影响。
The paper also deals with the influence of pressure variety of ice crystal on temporal integral step-length and calculation of stress-field.
采用空间离散模型，计算重庆跨座式单轨交通线路袁家岗车站桥的结构自振特性及动力响应。
By spatial discretization model, the structural self-vibration property and the dynamic response of Yuanjiagang Station bridge on Chongqing straddle type monorail line was computed.
当其与分布式技术结合起来之后，更需要考虑空间离散化、时间并行化和数据共享等方面的问题。
When distribution technology is used in it, aspects as dispersedness in space, parallelizability in time and data sharing are considered.
且原理简单，测量精度高，不需要复杂的相位展开和校准过程，特别适用于测量突变面形和空间离散面形。
It is a simple principle and higher measurement precision without complicated phase unwrapping and calibration procession, and can be used to measure the discontinuous and spatial isolation shape.
对由空间离散分布的夸克-胶子等离子体热滴发射的玻色子，本文进行了多粒子玻色关联的蒙特卡罗模拟研究。
The multiparticle Bose correlations of bosons emitted from dispersed thermal droplets of quark-gluon plasma are simulated by Monte Carlo.
本文分析比较了流域空间离散化的两种途径：子流域法和网格法，并以此对流域径流过程模拟的影响进行了探讨。
Two commonly used methods of watershed segmentation were compared and analyzed. One is subarea method, and the other is grid method.
再通过空间离散的方法，将上述轮对时程转换为线桥结构钢轨节点的制动力时程。在此基础上，建立了线-桥整体分析模型。
A track-bridge system model for simply supported PC-beam tailway bridges and the relevant equation of motion are established in this paper.
分析了实空间离散格林函数的特点和平面声全息重构卷积计算的特殊性，推导了在重构条件下二维循环卷积与重构卷积的关系。
Characteristics of the discrete real-space Green′s function and particularities of the discrete algorithm of the planar acoustical holography reconstruction convolution are analyzed.
分析了实空间离散格林函数的特点和平面声全息重构卷积计算的特殊性，推导了在重构条件下二维循环卷积与重构卷积的关系。
Characteristics of the discrete real-space Green′s function and particularities of the discrete algorithm of the planar acoustical holography reconstruction convolution are analyzed.
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