查询词典 continuous approximation

A projection method is used to smooth out start and end points of the ruling line sets. With predefined Euclidean 6 space distances, the problem of ruled surface approximation from line sets in Euclidean 3 space can be converted into a least square B-spline curve fitting issue in Euclidean 6 space.

利用"投影"光顺法对齐直母线段族首末端点，再通过定义欧氏6空间下的距离函数，将欧氏3空间下的直线族逼近直纹面问题转换成欧氏6空间下B样条曲线最小二乘拟合问题。

In early 3rd century, the ancient Greek women had to body curve and the pursuit of the original "invented", the "model body underwear model body underwear" using the approximation method of modern three-dimensional cutting, and in the waist with metal waist clip plastic waist, then, in this kind of dress of women in society status for the priests, the performers and palace ladies - this is the earliest human research into the "model body".

早在公元三世纪之初，古希腊的女性便有了对身体曲线的追求，并发明了原始的"塑身内衣"，这种"塑身内衣"采用了近似现代立体裁剪的方法，并在腰部用金属腰夹塑腰，当时，穿着这类服装的女性均为处于上流社会地位的祭司、表演者和宫中女士--这是可以考证到的人类最早的"塑体内衣"。

In Chapter 3, by using the technique of finite dimensional approximation of Seiberg-Wittentheory, the equivariant K-theory and some other methods, we study the problem of topologicalrestriction when there are smooth groups acting on Spin 4-manifolds such as the alternatinggroup A_5, cyclic group Z_6 and symmetric group S_3 with actions of odd type, consequently weimprove Furutas 10/8 theorem under the condition of group actions.

第三章运用Seiberg-Witten理论的有限维逼近技巧和等变K-理论等工具，研究了Spin 4-流形X上分别存在光滑交错群A_5、循环群Z_6和奇型三阶对称群S_3作用时，X的拓扑限制问题，在群作用下改进了Furuta的10／8定理。

The cyclic symmetry algorithm can greatly save the computer memory and the CPU time without inducing any additional approximation. At last, the programs including pre-processing, calculation and post-processing are developed based on the models and methods mentioned above.

最后，在以上理论分析的基础上，本文编制了适用于循环对称结构的静应力与振动特性分析程序，以及适用于该程序的前后处理接口程序，并进行了算例验证，证明由循环对称算法得到的结果与整体算法、实验得到的结果完好吻合。

In the paper,by using Fourier Series,basic harmonic balancing approximation and optimum numerical iterration,the response computation of a two-degrees-of-freedom dry friction damped vibration absorber system with velocith-dependent variable coefficient of sliding friction under harmonic excitation is discussed.

研究了两自由度滑动摩擦系数随相对速度变化的干摩擦吸振系统简谐激励响应计算问题，提出了最优化处理方法，并推导了相应的迭代方程。

First, an approximation solution is obtained by an incomplete algorithm, as an initial input of the complete algorithm, which is used to phase decision of branched variable.

首先利用局部搜索算法快速地得到一个近似解，并将该近似解作为完全算法的初始输入，用于其中分支变量的相位决策。

Meanwhile, based this equation the rate of decoherence is given in the approximation of time order.

同时在该动力学演化方程的基础之上，我们给出了不同阶时间近似条件下的消相干速率。

All you need to do is draw a rough approximation of the edge of the object and tell Decompose what the foreground and the background are.

所有您需要做的是制订一个粗略的逼近边缘的对象，并告诉分解有什么前景和背景。

In particular, the definability of morphological rough approximation operators is studied.

在实际应用中还可挖掘出更多具有确定性的知识，从而提高数据分析的效率。

The first section is to introduce some corresponding basic definiens and properties on the fractional calculous. The rest of the chapter is to present solving methods for the approximation solutions of the nonlinear fractional differential equations and their application.

首先介绍了本章涉及到的分数微积分的定义及其性质，然后介绍了非线性分数阶微分方程近似求解的方法及其应用。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。