1、

Firstly, a simple and practical representing method of the tooth edge tangential vector is applied to replace the traditional differential formula, the simple solving technique of edge contact problem makes the geometric edge contact analysis of the complex curve surface realize.

首先以一种简单实用的轮齿边缘切矢量的数学表示方法取代了经典的微分表达式,大大简化了几何边缘接触的求解,使复杂曲面的几何边缘接触分析得以实现;

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2、

Then the solution of the Schrodinger equation for the system by using the method of coordinate transformation in RWA was obtained. At last the spin polarization vector and non-adiabatic geometric phase were calculated.

在旋转波近似下利用旋转坐标系法求出了系统的薛定谔(Schrodinger)方程的解,计算了系统演化的极化矢量及其几何位相。

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4、

New method for fuzzy multi-attribute decision making based on uncertainty preferences Preference Representation with Geometric OWA Operator

基于决策者不确定偏好的模糊多属性决策方法基于等比OWA算子的不确定决策偏好表示方法

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5、

The JPEG method is more often used for photographs, while the GIF method is commonly used for line art and other images in which geometric shapes are relatively simple.

JPEG方法更常用于照片,而通常的GIF方法多使用在几何形状相对简单的线条艺术和其他图像。

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6、

By using the ABCD transforming matrix method of the geometric optics, we calculate the relationship between the output energy and the space interval of the two pickup heads.

首先利用几何光学的ABCD变换矩阵计算双光头输出能量与光头间距离的关系,确定其线性工作范围;

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7、

Excepting for plant root, this method applies to geometric measurement of analogous root object.

除植物根外,本文方法也适用于类似根形状物体的几何测量。

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8、

It shows that the Maximum Method on geometric series distributional model is simple and exact, and its calculating result is in keeping with the traditional method ( or Minimum Method).

结果表明:几何级数分布模型极大值算法与传统算法(即极小值算法)的结果完全一致,而且具有简便、准确之优点。

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9、

In this paper, the regular tetrahedron algorithm and the n-side regular prism algorithm were discussed, according to the geometric properties of spheres and polyhedral angles and by using the method of stepwise covering.

利用球面和多面角的几何性质,采取逐步覆盖的方法,讨论了球内接正四面体、正n棱柱算法,在这个基础上,提出菠萝形算法和球冠逐步覆盖法。

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10、

The two-dimensional acoustic ray tracing method by forward deploying triangle, which is based on the geometric acoustics, divides the space by triangles and then confirms the acoustic ray tracing by Snell rule.

二维声线追踪的三角形前向展开法,以几何声学为理论基础,对空间进行三角形划分,由斯涅尔法则确定声线路径。

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11、

Then, using propeller lifting line theory to calculate the geometric theory parameters and the hydrodynamic parameters, calculated pressure distribution, thrust coefficient and torque system number with the lifting surface theory, using the panel method to calculate propeller thrust coefficient and torque coefficient.

然后,用升力线理论计算了螺旋桨的几何参数和水动力参数,并用用升力面理论计算了压力分布、推力系数和扭矩系数,用面元法计算了螺旋桨的推力系数和扭矩系数。

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12、

A modification method of additivity rule for total cross section calculations of electron scattering from molecules considering the geometric shielding effect;

本文提出了一个可加性规则的半经验公式,该方法简单有效,对于电子散射总截面的计算有一定研究价值。

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13、

A Simple and Convenient Method in Analysis of Geometric Construction of Rod System When it's Connected by Parallel Bars

杆件体系几何构造分析中用平行链杆相联时的简便判别法

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14、

This paper provide a simple and unified distinguished method in analysis of geometric construction of rod system, when it's connected by parallel bars.

本文对杆件体系几何构造分析中,当用平行链杆相联时提供一种简易而统一的判别方法。

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15、

The method for designing the cutting structure of a mono-cone roller bit is discussed on the basis of geometric and kinematic analyses of the bit.

从研究单牙轮钻头几何学、运动学入手,着重探讨单牙轮钻头齿面结构设计方法。

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16、

In this paper a new method about face recognition is presented based on the regional distribution of facial geometric feature in China.

文中提出了利用人脸面部几何特征地理区域分布的差异性进行人脸识别的新方法。

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17、

Geometric Calculation Method for the Fluctuation Height of Pontoon Roof of Vertical Floating Roof Tank

立式金属浮顶油罐浮顶起浮高度的几何算法

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18、

Using the entities shape method makes the geometric models expression consistent with the actual processing, and makes precise comparisons between the results of the simulation and designing products possible.

基于实体造型的方法中几何模型的表达与实际加工过程相一致,使得仿真的最终结果与设计产品间的精确比较成为可能。

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19、

Infeasible Interior Point Algorithm Based Optimization Method for Geometric Programming

基于不可行内点算法的几何规划优化方法

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20、

Taking the teaching process of geometric series as an, example, the paper probes into the problems of the application of discovery teaching method in mathematics teaching.

以等比数列求和公式课堂教学过程为例,探讨发现教学法在数学教育中的应用问题。

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