查询词典 ovate-triangular

Pyramid: Ancient monumental structure construct ed of or faced with stone or brick and having a rectangular base and four sloping triangular sides meeting at an apex.

金字塔：用砖、石材料建造或表面覆以砖、石的古代纪念性建筑物，地基为矩形，四面为倾斜的三角形在顶端交会。

In this algorithm scheme, the multiplication of inverse matrix and a matrix is executed by the matrix triangular factor decomposition and back-substitution for the solution.

该算法保留了原方程组系数矩阵的稀疏存储方式和稀疏矩阵的运算规则，减少了计算时间和运算过程所需要的存储空间。

A efficient LU decomposition method is spectral factorization. That is, after the minimum phase correlative function of each array of matrix had be given by a spectral factorization method, all of the functions are arranged in a position according to its former location to get a lower triangular matrix.

谱法LU分解的优点是在对大量具有相同非零结构的矩阵分解时，通过建立包含所有具有不同非零元素的列对应的自相关函数的分解表，使得随后的所有矩阵分解只需通过查表实现。

They could be solved speedily by means of the sparse technique based triangular factorization.

应用稀疏矩阵的三角分解技术可实现对它们的快速求解。

In §5, we research a new fast triangular factorization algorithm of Hankel matrix. Then we give a numerical example.

在§5中，推导了Hankel矩阵的新的快速三角分解算法，给出了数值算例。

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为了对新老客户更完善的服务，我公司与瓦房店轴承集团／洛阳轴承集团和洛阳轴承研究所，及各大名优厂家建立了良好的供货合作关系，我公司还可满足新老客户对高精密轴承的需求，进口轴承销售NACHI、SKF、NSK、NTN、IJK、IKO、日本外球面FYH轴承、德国耐高温SWC轴承、英国RHP高精度烟草机械轴承、德国FAG28000/分的高转速、高精度的轴承、美国Fafnir化工设备专用轴承，日本EZO耐腐蚀不锈钢轴承；NORGREN、 SIEMENS等进口机械配件，美国JOHN CYANE机械密封、德国KUKKO轴承装卸工具、三角皮带、Q，H系列抛丸清理机等产品。

To an architectural style of the French Second Empire architectural style French interpretation of the new design to emphasize the overall decorative wall, especially the roof design, the use of heavy, elegant孟莎top, which is a period from Napoleon architectural styles, tall and prominent Lease with equal-shaped roof of the Georgia compact lightweight triangular fanlight, is simple and China and the United States.

对建筑风格的法国第二帝国建筑风格的解释法国的新设计，强调整体装饰墙，特别是屋顶的设计，使用重型，优雅孟莎顶端，这是一个从拿破仑时期建筑风格，高大突出租赁平等形屋顶格鲁吉亚紧凑轻巧的三角气窗，很简单，中国和美国。

The northern foot of a series of well-preserved fault scarp and triangular face.

北面的山麓还有一系列保存完好的断层崖及三角面。

Triangular and Fibonacci number phyllotactic patterns in nature have attracted much interest a- mongst scientists in multidisciplinary fields.

自然界中三角和斐波纳契数的叶序花样随处可见。通过控制几何条件以及冷却之后产生的应力，这些花样能在Ag内核／SiOx壳层微结构（约10μm大小）上予以实现。

Objective:To study the extrinsic and internal blood supply of the triangular fibrocartilage complex.

目的：研究三角纤维软骨复合体的血供来源及内部血管构筑。

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。