查询词典 differential geometry
- 与 differential geometry 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Results the basic CT features of 102 patients with Peripheral lung adenocarcinomas were as follows:vacuole or air bronchogra charging sign was found in which as were seen in 24 cases (80%) in high differential adenocarcinoma and were seen in 10 cases (30.3%) in moderate differential adenocarcinoma but not seen in low differential ones, spiculation sign in 73(71.5%). spiculate protulerance sign in 52 (50.9%). lobulation sign in 79(77.4%), pleural in dentation sign in 65(63.7%), vessel convergenoe sign in 69 cases(67.6%), and calcification inside the lesion was 31 cases. 67 cases had more then three basic CT signs mentioned above.
结果 102例周围型肺腺癌的主要CT分析征象是:空气支气管征或空泡征、高分化腺癌24例(80%)、中分化腺癌10例(30.3%)、低分化腺癌无此征、毛刺征73例、棘突征52例、分叶征79例、胸膜凹陷征65例、血管集束征69例、病灶内钙化31例,其中67例出现上述三种以上征象。
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In Chapter 2, starting from the basic fractional ordinary differential equations,weapply a high order approximation of fractional derivative advanced by Lubich to frac-tional differential equation, construct a high numerical difference scheme to solve thefractional differential equation, present error analysis of the algorithms theoretically,and prove the consistency ,convergency and stability.
接下来的第二章中,首先从基本的分数阶常微分方程出发,对Lubich提出的一个关于分数阶导数的高阶近似,将其应用于分数阶微分方程,构造高阶数值差分格式来进行分数阶微分方程的数值求解,并在理论上给出这一算法的误差分析,证明了它的相容性,收敛性和稳定性。
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The researches in this paper have offered solutions to initial value problem for ordinary differential equation involving difference of two monotone functions, ordinary differential equation with integral boundary conditions, and first-order impulsive ordinary differential equation with anti-periodic.
本文结果包含了具有两个函数差的常微分方程初值问题(当 Ik=Gk=0,λ1=λ2=0 时),常微分方程积分边值问题(当 Ik=Gk=0,g=0,λ1=0,λ2=±1时),一阶脉冲微分方程反周期边值问题(当 g=0,Gk=0,λ2=d=0 时)的相关结果。
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This course offers advanced topics for students who have learned ordinary differential equations. The course includes linear algebra which has topics as matrices, linear systems of equations, eigenvalue problems, vector differential and integral calculus. Fourier series, orthogonal functions, Fourier transforms and partial differential equations will also be introduced.
本课程为提供已有常微分方程式基础的同学修习,内容包括线性代数,矩阵运算,特徵值问题,向量的微分与积分,一阶线性微分方程组,傅力叶级数和正交函数,傅力叶转换,并将对椭圆,抛物线,双曲线型式的偏微分方程式作概略介绍。
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The principle of differential transmission is introduced at first,and then the virtual prototype model of the differential gear mechanism is established by using ADAMS.The simulation and analysis of its two different working conditions are carried out,and the speed characteristic curve and force curve are got,the principle of differential is analyzed by the curve.
首先阐述了差速器的传动原理,然后利用ADAMS建立了差速器齿轮机构的虚拟样机模型,并对该机构进行了两种工况下的仿真分析,得到传动齿轮的转速特性曲线及受力曲线,并通过曲线分析了差速器的差速原理。
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Multitarget differential game and bargaining differential game are proposed for the first time, which extend the classical differential game to develop a new method for the solution of combat tactics.
提出了以效能为目标,以战术机动为主要内容的研究思路,具体研究了空战中威胁判断、角色确定和多机空战战术求解等内容。
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The paper expounded internal difference between 0/0 of the derivative and of algebra, and discussed in detail the dual nature of 0/0 about algebraic substance of derivative on the basis of the philosophical thought about the concept of the differential quotient of Marx and Engels, and thus answered how derivative itself is converted to differential quotient logically.Then the discussion was extended to the Concept of the partial derivative, and proved that the form of differential quotient converted f...
本文依据马克思、恩格斯关于微商概念的哲学思想,阐述了代数的0/0与导数的0/0的内在差异,并详细讨论了导数的代数实体0/0的双重性质,从而回答了导数本身是如何合平逻辑地转化为微商的问题;其次,把这一讨论推广到偏导数的概念中去,论证了偏导数转化为微商形式的合理性,以及偏微商表述的意义,文中还就微商所牵涉到的形式逻辑与辩证逻辑的问题做了具体分析。
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The paper expounded internal difference between 0/0 of the derivative and of algebra, and discussed in detail the dual nature of 0/0 about algebraic substance of derivative on the basis of the philosophical thought about the concept of the differential quotient of Marx and Engels, and thus answered how derivative itself is converted to differential quotient logically.Then the discussion was extended to the Concept of the partial derivative, and proved that the form of differential quotient converted from pa...
本文依据马克思、恩格斯关于微商概念的哲学思想,阐述了代数的0/0与导数的0/0的内在差异,并详细讨论了导数的代数实体0/0的双重性质,从而回答了导数本身是如何合平逻辑地转化为微商的问题;其次,把这一讨论推广到偏导数的概念中去,论证了偏导数转化为微商形式的合理性,以及偏微商表述的意义,文中还就微商所牵涉到的形式逻辑与辩证逻辑的问题做了具体分析。
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When the car is on straight road,the ring gear,differential case,differential pinion gears,and two differential side gears all turn as a unit without any relative motion.
汽车在直线行驶时,齿圈、差速器壳、差速器行星齿轮和两个差速器半轴齿轮作为一个整体运转,而无任何相关运动。
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The main contents include: Setting up a theoretic vibration decreasing model of ERSFD and deriving its differential equation; Analyzing and comparing the features of ERSFD, SFD and Porous Squeeze Film Damper , and finding out that SFD and PSFD are the special examples of ERSFD; Giving an over-relaxation differential algorithm for the solution of the oil film force of ERSFD; Deriving the differential equations of the elastic ring deformation with and without tension and solution method.
给出了求解ERSFD油膜力的超松驰差分迭代格式和算法。
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- 推荐网络例句
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Now she was hungry and angry.She began to smoulder.
现在她又饿又气,她开始流露难以抑制的怒火。
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You have placed our iniquities before You, Our secret sins in the light of Your presence.
诗90:8 你将我们的罪孽摆在你面前、将我们的隐恶摆在你面光之中。
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Because of their partly crystalline structure polyamides need a relatively high processing
我们的方针是,既要满足客户的需求,并且也不使用对环境有损害的重