 全文文献 工具书 数字 学术定义 翻译助手 学术趋势 更多   vector expression 在 数学 分类中 的翻译结果: 查询用时：0.009秒 在分类学科中查询 所有学科 数学 物理学 金属学及金属工艺 基础医学 更多类别查询 历史查询  vector expression 矢量表达式(12)  矢量表达式
 The Vector Expression and Drawing of The Projection of Geometry Element on A Curved Surface 几何元素在曲面上投影的矢量表达式及其作图 短句来源 According to the theory of differential geometry, the vector expression of the projection of geometry element on a curved surface and the way to draw the projection on several special curved surfaces is approached in this paper. Thus it will offer theoretical basic and mathematical model concerning computer darwing technology for studying curve and curved surface and drawing projection on curved surface. 本文以微分几何的理论为依据,探讨几何元素在曲面上投影的矢量表达式及其在几种特殊曲面上投影的作图方法,为用计算机绘图研究曲线、曲面和在曲面上作投影的问题提供了理论依据和数学模型。 短句来源 “vector expression”译为未确定词的双语例句
 In this paper,the covariance matrix of the output random errors and the vector expression of the output truncated errors have been derived, and their norm expressions have been given on the basis of that the norm expression of a matrix power series has been diseussed. 本文导出了输出随机误差协方差矩阵和输出截断误差矢量的表示式,并在讨论矩阵幂级数范数表示式的基础上,给出了输出误差范数的表示式。 短句来源 The influence coefficient matrix of the linear axisymmetric triangular element and the input vector expression are derived. 推导了轴对称线性三角形元的影响系数矩阵和输入向量公式; 短句来源 In this paper,the author gives the vector expression of the symme- tric figure for a point,a straight line and a plane,and its application. 本文给出了点、直线、平面相互间对称图形的向量表达式及其应用。 短句来源 Current text-books of Higher Mathematics provide several methods to prove Gauss Formula. This paper, according to the definition of the vector expression of the vector expression of the curved surface integrals of the coordinate as well as its computation, presents its another brief proof method. 现行高等数学教材给出了高斯公式几种证明方法．这里根据对坐标的曲面积分的向量形式的定义及其计算给出其另一种简捷的证明方法 短句来源 From a property of the triangle a vector expression is deduced with two practical corollaries. Here two proofs are presented. 从三角形的一个性质中得出三质点质心满足的一个向量表达式,并得到两个有实用价值的推论,同时对上一性质给出两个简洁的证明。 短句来源 更多 查询“vector expression”译词为用户自定义的双语例句

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 Finally, efforts to achieve adequate vector expression throughout an entire tumor are being realized with our greater understanding of vector design and gene expression. Extinction of long-term vector expression has been observed after implantation of transduced hematopoietic cells as well as fibroblasts, myoblasts and hepatocytes. Lentiviral vector expression of tumour antigens in dendritic cells as an immunotherapeutic strategy Also, vector expression was analyzed in DC cultures treated with TNF-α, a known DC maturation factor. Food-grade host/vector expression system for Lactobacillus casei based on complementation of plasmid-associated phospho-β-galact 更多 The formula for the added-mass coefficient for a body moving in an unbounded fluid given in  is extended to that in a finite space or a semi-infinite space. The maximum principle for added-mass expressed in terms of functional J {} is described under three-dimensional and axisymmetric flow conditions. The influence coefficient matrix of the linear axisymmetric triangular element and the input vector expression are derived. Both the relative and absolute velocity, potentials and the added-mass coefficient... The formula for the added-mass coefficient for a body moving in an unbounded fluid given in  is extended to that in a finite space or a semi-infinite space. The maximum principle for added-mass expressed in terms of functional J {} is described under three-dimensional and axisymmetric flow conditions. The influence coefficient matrix of the linear axisymmetric triangular element and the input vector expression are derived. Both the relative and absolute velocity, potentials and the added-mass coefficient in unbounded and semi-infinite spaces are calculated. The calculation results are shown to be in good agreement with those found in published literature. 本文将文献中给出的物体在无界流体中运动时的附加质量公式推广到有界空间和半无限空间中;对于三维和轴对称流动,提出了以势函数泛函J{φ}表示的附加质量极大值原理;推导了轴对称线性三角形元的影响系数矩阵和输入向量公式;计算了圆球在无界和半无限空间中的相对速度势、绝对速度势和附加质量系数。计算结果与理论值比较,具有好的精度。 The error sources of a constant gain recursire filter consist of the errors of the initial estimate value, the input random errors and the filter's prediction truncation errors. The propagation of these errors in the filter results in the output errors. In this paper,the covariance matrix of the output random errors and the vector expression of the output truncated errors have been derived, and their norm expressions have been given on the basis of that the norm expression of a matrix power... The error sources of a constant gain recursire filter consist of the errors of the initial estimate value, the input random errors and the filter's prediction truncation errors. The propagation of these errors in the filter results in the output errors. In this paper,the covariance matrix of the output random errors and the vector expression of the output truncated errors have been derived, and their norm expressions have been given on the basis of that the norm expression of a matrix power series has been diseussed. 一个常增益递推滤波器的误差源为初始估值误差、输入随机误差和滤波器预测截断误差。这些误差在滤波器中传播就构成输出误差。本文导出了输出随机误差协方差矩阵和输出截断误差矢量的表示式,并在讨论矩阵幂级数范数表示式的基础上,给出了输出误差范数的表示式。 According to the theory of differential geometry, the vector expression of the projection of geometry element on a curved surface and the way to draw the projection on several special curved surfaces is approached in this paper. Thus it will offer theoretical basic and mathematical model concerning computer darwing technology for studying curve and curved surface and drawing projection on curved surface. 本文以微分几何的理论为依据,探讨几何元素在曲面上投影的矢量表达式及其在几种特殊曲面上投影的作图方法,为用计算机绘图研究曲线、曲面和在曲面上作投影的问题提供了理论依据和数学模型。 << 更多相关文摘 相关查询

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