查询词典 rectangular coordinates

And then Finite Difference Time Domain equations and absorbing boundary condition of the cylindrical coordinates are developped.

然后在均匀地层和二层阶跃地层中计算了测井响应，与解析解符合得较好。

Secondly, a general code for heat transfer and fluid flow in threedimensional cylindrical coordinates with collocated grid system is developed.

首先，本文利用激光多普勒测速技术对换热器封头及出口管区域内的三维湍流流动进行了实验研究。

Seven-flux modeling of laser light propagation in biological tissue in cylindrical coordinates.

圆柱坐标系下生物组织中激光传输的七流模拟。

High resolution Godunov scheme on adaptive unstructured grids is extended to Euler equations in cylindrical coordinates.

采用基于有限体积法的二阶Godunov格式模拟了柱形密度交界面在同轴激波加速下的演化过程。

The use of perfectly matched layer in cylindrical coordinates avoids the wasted computation.

矢量基函数的使用消除了伪解问题，圆柱坐标完全匹配层的使用缩减了有限元网格，从而避免了无用的计算。

Firstly, The perfectly matched layer in three dimension stretched cylindrical coordinates is deduced, and a strict formula of time step is presented so as to ensure the stability of the numerical solution.

文中首先推导了三维柱坐标系下完全匹配层的差分表达式，并给出保证其解稳定性的更为严格的时间步长公式。

In the cylindrical coordinates, the related basic formula and solve method of the equivalent boundary element method were established and derived, and a new contact element was introduced to model the hybrid of structure and soil.

同时建立并推导了在柱体坐标系下插入式大圆柱壳墩式结构的等效边界元数值分析的相关基本方程和求解方法，并提出了一种新的接触面单元以模拟结构和土体间不同材料的耦合关系。

The analytic expression of the fractional Fourier transform based on cylindrical coordinates was derived.

推导出分数傅里叶变换基于柱坐标系下的解析表达式，应用此解析表达式对空心高斯光束进行分析，得到其分数傅里叶变换的解析表达式。

According to the two methods mentioned above, the thesis makes a numerical model with the Equivalent Boundary Element method under the cylindrical coordinates.

，进而确立了柱体坐标系下一种耦合数值求解模型一等效边界元法数值模型，从而大大提高了求解效率和精度。

Page this industry manipulator of introduction belong to round cylindrical coordinates type, all-hydraulic to urge the manipulator.

本篇介绍的工业机械手属圆柱坐标式、全液压驱动机械手。

A small, rubber-headed hammer used in examination or diagnosis by percussion.

叩诊槌用在通过''。'振荡'。''所作的检查或诊断中的橡皮头的''。'小'。''槌

Affixes are limited in number in a language, and are generally classified into three subtypes, namely, prefix, suffix, and infix, depending on their position with reference to the root or stem of the word.

语言中词缀的数量总是有限的，根据它们跟词根或词干的相对位置，一般可以把词缀分外三小类：前缀，后缀和中缀。