矩形

Rapid cell selected, regional, rows or columns: the mouse click to select the current cell; click the region to be selected first cell, and then drag the mouse to the last cell can be two selected region between; worksheet click the Select All button, you can select the current worksheet; hold down the Ctrl click or drag using the mouse, you can select multiple nonadjacent cells or regional; select a region first cell, hold down the Shift key click on the angle of regional cells, can be between the selected rectangular area; click the line number can be selected corresponding to the entire line; click out the corresponding label can be selected out of the whole; along its line number or a list of drag the mouse, or to select the first row or first column, hold down the Shift key to select the end of the row or column, you can select a number of adjacent rows or columns; first select the first row or first column, and then hold down the Ctrl key to select other non-adjacent rows or columns; If you want to increase or decrease in the activities of the cell area can be selected by holding down the Shift key click the lower right corner of the region the last cell, the cell activities and the click between the cells will become a rectangular area to select a new region.

快速选中单元格、区域、行或列：鼠标单击可以将当前单元格选中；单击待选中区域的第一个单元格，然后拖动鼠标至最后一个单元格，可以将两者之间的区域选中；单击工作表的全选按钮，可以将当前工作表选中；按住 Ctrl 单击或使用鼠标拖动，可以选中不相邻的多个单元格或区域；选中某区域的第一个单元格，按住 Shift 键单击区域对角的单元格，可以将两者之间的矩形区域选中；单击行号可将对应的整行选中；单击列标号可将对应的整列选中；沿行号或列表号拖动鼠标，或者先选中第一行或第一列，按住 Shift 键选中结束行或列，就可以选中相邻的多个行或列；先选中第一行或第一列，然后按住 Ctrl 键选中其他不相邻的行或列；如果您想增加或减少活动区域中的单元格，可以按住 Shift 键单击选中区域右下角的最后一个单元格，活动单元格和所单击的单元格之间的矩形区域就会成为新的选中区域。

In chapter 1, Galerkin alternating-direction procedures and an approximation to the Jacobian of the isoparametric map are applied to discuss a three-level and a four-level Galerkin alternating-direction procedures for two kinds of nonlinear hyperbolic equations which are given on a nonrectangular, curved region.

第一章结合[10]中对矩形域上双曲型问题提出的交替方向有限元方法和[19]中利用等参元，等参变换的Jacobi行列式的逼近来研究的思想，给出了两类非线性双曲型方程在非矩形域上的交替方向有限元方法。

Indoor model test for hydraulic characteristics of common floating vegetation channels in ecological restoration was carried out. Healthy Pistia stratioes linn was planted in the rectangle model river-course in different shapes. The velocity of flow in different situation was measured by three-dimensional acoustic Doppler velocimeter. The change of the rule of velocity was analyzed.

通过在矩形水槽中按不同方式种植个体较小、生长旺盛的大吀进行室内模型试验研究，利用三维超声波多普勒测速仪（acoustic Doppler velocimeter， ADV）分别测量按不同形状种植漂浮植被的矩形水槽中水流的瞬时流场，分析了植被附近区域水流在种植植被前后沿垂线方向的流速分布规律。

The performance of PML is investigated using FDTD modeling of the propagation of sinusoidally modulated Gaussian pulse in a rectangular waveguide.

首先通过模拟正弦调制的高斯脉冲在波导中的传输来验证 PML 的吸收性能，然后将采用 PML 吸收边界的 FDTD法应用于矩形波导填充有限媒质时的 S参数和圆形波导中矩形薄膜片反射系数的计算。

Considering the influence of fluid's viscosity and large amplitude sloshing, the 2-dimension coupling system composed of uncompressible viscous fluid and ideal elastic structure of rectangle aqueduct is studied by using ADINA to develop the models in this paper. Analyze the dynamic response of the rectangle aqueduct structure by large amplitude liquid sloshing. Under the horizontal harmonic excitations with different amplitudes, analyze the harmonic response of the rectangle aqueduct structure and fluid, include pressure on the tank wall ,free surface height and so on.

本文应用大型通用有限元软件ADINA探讨了计入流体的粘性、大幅晃动影响，不可压缩粘性流体与矩形渡槽弹性体的二维动力耦合问题，分析流体的大幅晃动对矩形渡槽结构所带来的动力影响问题；在水平谐波激励方式下，针对不同的激励振幅和激励频率，研究渡槽结构和水体的振动反应包括渡槽结构的倾覆力和倾覆力矩，水体自由液面角点的波高和水体底部角点的动水压力的反应分析。

The computer aided 3-dimensional simulation of rectangular tile coating on ship hull requires a local area on the total undevelopable surface to be approximately flattened, and the point-to-point correspondence of the plane and submarine surface to be established.

以船体表面敷设矩形柔性瓦的计算机三维仿真设计为背景，提出了不可展曲面局部区域近似展开均匀环形网格法，并以此算法为基础，在MDT平台上开发出一套工具包来完成矩形瓦敷设仿真设计。

As a application of this theory, we discussed the interpolation problems in which the nodes are ununiform rectanglar grids in real space. We gave the lowest interpolation bases of nodes in rectanglar and sidestep-shaped area. Another application is for finite elements theory. We mainly discussed finite elements of Hermite-Birkhoff type interpolation and gave a new algorithms for a interpolation bases.

作为上述理论的具体应用，我们一方面讨论了插值节点为实空间上的非均匀矩形格点的插值问题，主要给出了矩形区域和阶梯形区域中格点上插值问题的按序最低的插值基的一般公式，另一方面我们研究了多元插值在有限元中的应用，主要是针对Hermite-Birkhoff型插值的有限元给出了计算插值基函数的算法。

3 The top 90° bend is of rectangular section an d includes three water nozzles for washdown.

第 6 页共 48页 2.3.4 2.3.5 2.3.6 2.3.7 2.3.8 在矩形管道的顶部有一个 90°矩形弯管，还有三个用来清洗的水喷嘴。

On the basis of Bowering Model about ONB of flow boiling using n.

讨论了影响矩形窄缝流道内过冷流动沸腾起始点的各因素，在Bowering关系式的基础上，考虑质量流速和压力对过冷流动沸腾起始点的影响，使用多元线性回归的方法，得到了关于矩形窄缝流道过冷流动沸腾起始点的修正关系式，与实验数据进行比较，误差范围为± 30 %。

Based on the expression of diffractive field distribution of the Gaussian beams restricted by a rectangular aperture and focalized by a lens,the relationship between the width of the rectangular aperture and the spot size of the restricted beam,as well as the relationship between the aperture width and the power in the bucket,was numerically calculated with MATLAB.

为了研究矩形光阑边长与透镜像方焦面处光束光斑尺寸以及光斑内所包含功率的关系，根据高斯光束经矩形光阑和透镜变换后在透镜像方焦面的衍射场分布表达式，采用MATLAB进行数值计算的方法，进行了理论分析。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。