查询词典 point transformation

This thesis has construed the functions of sights in the programming process of historical cities and its trend of development in the future through the analysis of the various changes in the evolutional process of the cities: the transformation from the unconscious sight construction to the intentional planning which embodies the character of the ruling class, the transformation from the demolishment and renewal of the sights during dynastic changes to the maintenance of its old features, and the transformation from the radial pattern to the reasonable division of regions.

全文通过从城市的演变过程中伴随的无意识的景观建设到有意识的体现统治阶级性质的布局设计；从改朝换代中的毁坏又更新到当今为了保持原有风貌及体现历史名城的特色所作的维护工作；从集中一点放射状规划城市布局到合理划分不同性质区域的各种变化来分析景观在历史名城规划进程中的作用及未来的发展趋势。

We present the fundamental theories of Noether symmetries and conserved quantities of mechanco-electrical dynamical systems, including variation principle of the system, Noether symmetry transformation, Noether quasi-symmetry transformation, generalized Noether quasi-symmetry transformation, Killing equations, Noether theorem, the form of conserved quantity. And then the basic theory of Lie symmetry is advanced, including the determining equation, structure equation and the form of conserved quantity.

给出机电动力系统的Noether对称性和守恒量基本理论，包括系统的变分原理、Noether对称性变换、Noether准对称性变换、广义Noether准对称性变换、Killing方程、Noether定理和守恒量的形式；给出机电动力系统Lie对称性的基本理论，包括确定方程、结构方程以及守恒量的形式。

During the latest fifteen years a great progress has been achieved on transgenic research of the main crops including soybean, maize, rice, and wheat. Almost all the transformation techniques have been successfully used in these main crops. Especially for the Agrobacterium mediated transformation, not only successes it in soybean, a recalcitrant dicot plant to transformation, but also in rice, maize and wheat of monocot plants.

近15年来，大豆、水稻、玉米、小麦等主要农作物转基因研究取得了较大进展，几乎各种遗传转化方法在这些作物上都取得了成功，尤其是农杆菌介导法，不仅在难转化的双子叶作物大豆上取得了成功，而且在单子叶作物水稻、玉米、小麦上先后取得了突破。

After discussion of the relation of MR〓 and ALT, an algorithm proposed by Zhongping Qin and Huanguo Zhang, two conclusions are obtained: if a weak key can be successfully attacked by the method of reduced echelon matrix, it can also be successfully attacked by a linear R〓R〓 transformation; meanwhile, there exists such a weak key that can be successfully attacked by the algorithm MR〓 or linear R〓R〓 transformation, but this key can not be successfully attacked by the algorithm ALT. For a NFA, according to the number of solutions for the image equation of its R〓R〓 transformation, there exist two sufficient criteria about its weak invertibility and weak inverse.

通过比较MR〓与覃中平和张焕国提出的攻击FAPKC加密情形的算法ALT，证明了如下结果：凡用约化梯阵方法能攻击成功，用线性R〓R〓变换也能攻击成功；同时，存在着用算法MR〓或线性R〓R〓变换攻击成功的弱密钥，用算法ALT攻击失败。

MethodWiththe competent germinating epicotyl of cotton as receptor in exogenous gene transformation,NPTIIgene carrying selection marker and GFPreporter gene were mediated into cotton by agrobacterium-mediated transformation.The pre-culture time,bacterial-i mmersing ti me,co-culture ti me and antibiotics concn.,etc of using agrobacterium-mediated transformationinthe transformation of competent germinating epicotyl of cotton were studied.

方法以棉花感受态萌动的上胚轴作为外源基因转化的受体，用农杆菌介导法将携带有筛选标记NPTII基因及GFP报告基因导入棉花，研究了农杆菌介导法用于棉花感受态萌动上胚轴转化的预培养时间，浸菌时间，共培养时间及抗生素处理浓度等。

By using the method of the gauge transformation,this paper obtains the gauge transformation of Eigenvalue problems of energy dependent potentials and the Backlund transformation.

用规范变换的方法，导出了位势依赖于能量的特征值问题的规范变换及相应的贝克隆变换。

A relativistic transformation of generalized coordinates is discussed and it is found that the first law of thermodynamics and the equation of state of an ideal gas are invariant with respect to the relativistic transformation of generalized coordinates , so that the existence of relativistic transformation of generalized coordinates is reasonable.

讨论了一个涉及热力学的广义坐标的相对论变换，发现热力学第一定律和理想气体状态方程对广义坐标的相对论变换具有不变性，表明广义坐标的相对论变换有其存在的理由

This chapter emphasizes on the five issues. Firstly, the relation between the transformation from savings to investment and the fund's formation. Its purpose is to reveal the formation way of the funds and how to improve its efficiency of utilization. Secondly, the analysis of the supply behavior of the transformation from savings to investment. It mostly analyzes the savings' behaviors of the government, enterprises and residents and their economic effects. Thirdly, the analysis of the demand behavior of the transformation from savings to investment. It stresses on discussing the enterprise's choices of the financing structures and forms on the premise of pursuing the maximum profit, through analyzing the basic features of each social financial entity. Fourthly, it clearly points out the kinds of transformative mechanism from savings to investment and its impactive factors. Finally, it emphases the importance and realizing path of the transformative mechanism in our country that is changed from combining bank with capital market to the market leading, through analyzing the mechanism and its practice in China.

本章重点讨论五个问题：第一，储蓄向投资转化与资金形成的关系，目的是揭示资金的形成途径及如何提高其使用效率；第二，储蓄向投资转化的供给行为分析，主要分析政府、企业和居民的储蓄行为及其经济效应；第三，储蓄向投资转化的需求行为分析，通过分析社会各融资主体的基本特征，重点探讨企业在追求收益最大化前提下融资结构和融资形式的选择；第四，储蓄向投资的转化机制，主要探讨了储蓄向投资转化机制及其制约因素；第五，通过对中国储蓄向投资转化机制的历史考察和现状分析，明确指出了我国储蓄向投资的转化机制由银行与资本市场并存型转向市场主导型的重要性和实现路径。

This transformation could be divided into internal transformation and external transformation.

企业的这种组织变革分为两部分：内部变革和外部变革。

The main contributions of the thesis are as follows: Using invariants and matrix theory, especially the special properties of eigenvalues and eigenvectors of the so called irreducible matrix, we put forward several effective new algorithms for the complete matching problem under Euclidean transformation, similarity transformation and general affine transformation.

论文的主要贡献如下：利用不变量和矩阵理论，特别是巧妙地利用了不可约矩阵的特征值和特征向量的特殊性质，提出了求解欧氏变换、相似变换和一般仿射变换下完全匹配情形的点模式匹配问题的几种非常有效的新算法。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。