查询词典 point transformation

"We've seen a transformation of social norms," said Rosanna Hertz, a professor of sociology at Wellesley College.

"社会风气变了，"卫斯理学院教授罗森娜。

By analyzing the technology requirement of electric actuators,RFOC（rotor field-oriented control）method was proposed. The fundamental mathematics equations of induction motor in the general synchronously rotating reference frameused for vector control were achieved by coordinate transformation.

中文摘要：分析智能型电动执行机构的技术要求，提出了转子磁场定向的空间矢量控制方案，通过坐标变换得到了适用于矢量控制的同步旋转坐标系统下的感应电机数学模型，推出了转子磁场定向方程。

The algorithm utilizes the rotating transformation theory of vector, and derives a mathematical expression of trigonometric function which has the interval monotonicity. By comparing the values of mathematical expressions, the sizes of the angles can be judged, this avoids the troublesome calculations of angles, diminishes errors and raises efficiency.The prototype of 3D reconstruction system uses the DXF file as the data source.

文中的算法采用矢量的旋转变换理论，通过计算各分支路径与当前路径之间的三角函数值，利用变换后的三角函数表达式的区间单调性，将角度值的比较转换为三角函数表达式值的比较，从而避免了繁琐的角度值计算，减少了误差，提高了执行效率。

Was read in , before any rotational transformation is done to it.

在"读/我"，在任何旋转改造完成它。

The process of the lift shift for the DCAR and the mode transformation of the high-speed rotorcraft are designed and its feasibility is described.

在对数据进行综合分析的基础上，建立了盘翼/桨叶组合体的气动特性计算方法，从而进行了高速直升机方案升力转移和模式转换的过程设计，计算证明此高速型方案是可行的。

On the basis of realizing the innovation of enterprises' management mechanism, adjust and optimize the structure of the cocoon and silk industry's distribution pattern, lead the raw material production and the original processing industry's shifting to the central and western regions from the eastern area according to the plan step by step, realize the silkworm industry's transformation to advantage areas, from disperse to intensify and keep appropriate scale; The combination between the western and eastern areas must have complementary advantages each other, the process ability, fund, technology, market and management in the east, combine with the cheap labor force and ihe abundant resource in the west, will form the industry chain of the close connection, step on the route of division of tabor on the basis of specialization, area overall arrangement, laige-scale production, industrialization management, develop high-quality-cocoon,top-grade-silk, refinement silk fabric, manufacture our country's cocoon and silk industry's key competitiveness together, form the scientific and reasonable, high-efficient and continuate industrial development pattern.

在实现企业经营机制创新的基础上，调整和优化茧丝绸产业布局结构，有计划、有步骤地引导茧丝绸原料生产与原料初加工工业由东部地区向中西部地区转移，实现蚕业生产由一般区域向优势蚕区的转移，由零星分散向适度规模、集约化方向转变；东西部强强联合，优势互补，东部的资金、技术、市场、管理、产后加工能力，与西部丰富的资源和劳动力成本低廉的优势相结合，形成紧密联结的产业链，走专业化分工、区域化布局、规模化生产、产业化经营、发展优质茧、高档丝、精品绸的路子，共同打造我国茧丝绸产业的核心竞争力，逐步形成科学合理、高效、可持续发展的产业格局。

By using the elementary row transformation in the controllable matrix, the input matrix is replaced by the maximally linear independent set of its column vectors.

中文摘要：分析了求多输入线性系统能控规范型算法的不足，提出了一种新的改进型求解线性定常系统能控规范型的迭代算法。

During the warping process the operation of image coordinates transformation and image interpolation are separated, which replaces the traditional warping operation by row and column gradually.

而基于控制点网格的图象变形算法是由 Smythe于1 990年提出的，它已被成功地应用于电影特技效果的制作中，并在《Indiana Johns》和《The lastcrusade》等影片中取得了很大成功。

By introducing a new concept-Motion Characteristic Transformation Matrix , this thesis presents a top-down solving method to decompose the complex requirement into several simpler ones by sophisticated matrix operation, row and column shifting and velocity character expanding strategy.

作者提出运动特性变换矩阵，将运动类型、运动轴线以及速度特性等三个运动求解过程中所需的运动特性有机地集成于一体，并通过矩阵的行列变换以及基于规则的速度特性扩展策略，将复杂运动需求分解为简单的运动需求后进行求解，从而实现了自顶向下的复杂运动需求的求解。

The characteristic vector of the real symmetric matrix should be found out, which is orthogonalized and normalized to a standard orthogonal base and is used as row vector to construct the transformation matrix P, so the P~(-1)AP can be made into diagonal matrix.

实对称矩阵A经相似变换P-1AP可化为对角矩阵，在x =Py 下，不一定能化A的二次型为标准型；应寻求对称矩阵A的特征向量，将其正交化并单位化作为标准正交基，作为列向量构造变换矩阵P，可使P-1AP=Λ为对角阵，在x =Py 下，要将二次型化为标准型，且二次项系数即为对角阵Λ主对角线上元素。

Article 144 The Government of the Hong Kong Special Administrative Region shall maintain the policy previously practised in Hong Kong in respect of subventions for non-governmental organizations in fields such as education, medicine and health, culture, art, recreation, sports, social welfare and social

第一百四十四条香港特别行政区政府保持原在香港实行的对教育、医疗卫生、文化、艺术、康乐、体育、社会福利、社会工作等方面的民间团体机构的资助政策。原在香港各资助机构任职的人员均可根据原有制度继续受聘。

Small wonder, then, that the Chinese spend more in the shop than any other group of foreign visitors do .

这样的小惊喜，使中国顾客比任何国家的人消费得更多。