查询词典 ovate-triangular

Fully-developed swords of the late Eastern Zhou and Han periods might have had four or even five jade fittings, such as a round pommel ornament, an approximately triangular hilt decoration, a trapezoidal chape on the scabbard to prevent the weapon tip piercing the body, and slides on the scabbard for the attachment of a belt.

周和汉时期综发达刀剑已故东区可能不得不四个甚至5玉石配件，如圆波梅尔装饰品，1大约三角希尔特装饰，一身体梯形沙普关于刀鞘防止武器小费刺穿，及皮带幻灯片上A的剑鞘为附件。

A method is proposed to reduce the size of the junction circulator using triangular resonator symmetrically loaded with magnetic ridges.

提出了对三角结中心谐振导体开槽的方法，来减小三角结中心导体的边长尺寸，从而实现环行器的小型化。

In this thesis, a novel method is proposed to raise the quality of triangular mesh generation. Whereas previous refinement methods mainly focus on inserting a new vertex into the circumcenter of a skinny triangle or tetrahedron, the proposed method is striving to insert a vertex near the geometric center of an effective region.

鉴於前人提出之refinement方法，主要乃以插入形状低劣之三角形外接圆之圆心，以提高网格品质；本文提出一新的思考观点，乃试图插点於其影响区域之中心，以提高其品质。

Clean-shaven but for a triangular, iron-gray chin beard, he perpetually sported the smile of the good-natured devotee of Buddha.

他突然走进了训练场，把教练召集到一起简单地训话，之后又观摩了几个有前途的年轻学员们的拳路。

We propose a method to cut and map a closed triangular mesh onto a 2D planar domain automatically.

提出一种自动地将任意闭合三角网格切开并保角映射到二维平面域的算法。

And the G〓 interpolated closed surface are obtained which are pieced by triangular Bezier patches with ovder 4K+1 in most case.

因而克服了以往方法中的不足之处，使得生成的闭曲面具有所用的曲面片个数少，表示式简单统一的优点。

Then,a new fast algorithm of the minimal norm least squares solution for linear system whose coefficients is an m×n symmetric Loewner matrix with full column rank is given by forming a special block matrix and researching the triangular factorization of its inverse.

对于工程计算中常常遇到的一类线性方程组的求解，通过构造特殊分块矩阵并研究其逆矩阵的三角分解，给出了求秩为n的m×n阶对称Loewner矩阵为系数阵的线性方程组，及极小范数最小二乘解的快速算法，该算法的计算复杂度为O+O(n2)，而一般方法的计算复杂度为O(mn2)+O(n3)。

In this paper, for m× n Loewner-type matrix or symmetric Loewner-type matrix with full column rank, we form special block matrix firstly and research their triangular factorization or of its inverse, and then get the fast algorithm of the minimal norm least squaresolution .

本文对于秩为n的m×n阶Loewner型或对称Loewner型矩阵L，通过构造特殊分块矩阵并研究其逆的三角分解或自身三角分解，进而得到了线性方程组Lx=b的极小范数最小二乘解快速算法，计算复杂度为O+O(n~2)，而一般方法的计算复杂度为O(mn~2)+O(n~3)。

A new fast algorithm of the minimal norm least squares solution for the linear system whose coefficient matrix is an m×n Loewner-type matrix with full column rank is given by forming a special block matrix and researching its triangular factorization.

通过构造特殊分块矩阵及其三角分解给出了求秩为n的m×n阶Loewner型矩阵为系数阵的线性方程组极小范数最小二乘解的快速算法，该算法的计算复杂度为O+O(n2)，而一般方法的计算复杂度为O(mn2)+O(n3)。

In Chapter three, by constructing a special partitioned matrix and studying the fast triangular factorization of its inverse matrix, we respectively give fast algorithms for the minimal norm least squares solutions of linear equations which coefficient matrices are n×m Toeplitz type matrices and Vandermonde-Loewner type matrices with full column rank.

第三章通过构造特殊分块矩阵并研究其逆矩阵的快速三角分解，分别给出了求以秩为m的n×m阶Toeplitz型矩阵和Vandermonde-Loewner型矩阵为系数阵的线性方程组极小范数最小二乘解的快速算法，并通过算例将新算法与已有的法方程组的方法和正交化方法作了比较。

However it can often be frust ating for a child when people are unable to pronounce their name.

但它往往可以令人沮丧的一个孩子当人们无法断言他们的名字。

All these compounds were obtained from this genus for the first time. Compound, 4-cumylphenol, was a new nature product.

所有化合物均为首次从本属海藻中分离得到，其中4cumylphenol为新天然产物。