1、

in the present paper, the optimized design of the cylindrical helix compression spring used in the relief valve of the erect steam boiler is carried out by the dual method of the geometric programming with the positive term formula of constraint.

本文用约束正定式几何规划对偶法,对蒸煮用立式锅炉微启式安全阀上的圆柱形螺旋压缩弹簧进行了优化设计。

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2、

CONCLUSIONS: The method presented is practical for 3-dimensional data capture, and it helps build reliable 3-dimensional geometric models with better spatial resolution and higher precision than conventional technique with medical CT.

结论:与医用CT相比,ICT扫描方法空间分辨率高,精确度高,可以作为一种获取牙列缺损石膏模型三维数据的可靠方法。

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3、

abroad geometric calibration experience of space-borne linear array ccd sensors was studied. focusing on the content and method of geometric calibration, a few rational considerations to the construction of geometric calibration test-field in our country were proposed.

借鉴国外星载线阵CCD传感器几何定标的成功经验,从定标内容和方法的角度进行分析,对我国卫星地面几何检校场的建设提出了合理化建议。

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4、

analysis method of the geometric composite analysis of space splice chain pole system

空间铰接链杆体系几何组成性质分析的解析方法

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5、

a study of the first sampling part of irregular geometric figures was conducted in the experimental method.

用实验方法对不规则几何图形的取样首视点进行研究。

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6、

multivariate splines are applied widely in approximation theory, computer aided geometric design and finite element method.

多元样条在函数逼近、计算几何、计算机辅助几何设计和有限元等领域中均有很广泛的应用。

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7、

a linearization method for global solution of generalized geometric programming

求广义几何规划全局最优解的线性化方法

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8、

a new digital method for geometric distortion correction of a photoelectronic measuring system

光电测量系统几何畸变数字校正的一种新方法

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9、

research on measuring theory and method about geometric and process knowledge of mechanical component

机械零件几何知识及工艺知识计量理论和方法的研究

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10、

the paper presents a method of geometric measurement of hollow-core optical fiber using the image processing techniques.

本文提出了采用图像处理方式进行空芯光纤几何参数测量的方法。

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11、

By this method the bonding and geometric structure of twenty-nine ABn molecules have been deduced.

运用此方法确定了二十九种AB_ n型分子的结构.

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12、

Then a high-degree geometric continuity blending surface is obtained with transfinite interpolate method.

将其充分性与超限插值方法相结合,成功地构造出两个参数曲面间的高 阶 几何连续过渡曲面.

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13、

Based on this, the synthetical control of the geometric and the surface quality of parts is established in the processing course, This is the new effective method of improving the reliability and service life of the thin-wall parts of complicated shap under high-load in aircraft engine.

以此为基础,在加工过程中,对零件的几何质量和表面层质量进行了综合控制。研究表明,该方法是提高飞行器发动机中高负载复杂形状薄壁零件可靠性和寿命的有效新途径。

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14、

Finally, a bifocal wide angel lens antenna is designed successfully by using Geometric Optics ( GO) method and commercial software MATLAB.

利用几何光学方法结合数学仿真设计软件MATLAB,成功设计出一副双焦广角透镜天线,并给出了设计方法和最终的设计参数。

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15、

Discussion on the Precise Geometric Modeling Method of the Armored Ocean Cable

一种精确海缆铠装钢丝几何建模法探讨

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16、

Generalized displacement control method for geometric nonlinear analysis of structures

广义位移控制法在结构几何非线性分析中的应用

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17、

It is indicated that the method proposed can extract the geometric contour features of the anatomies of interest correctly after suppressing the noise effectively.

本方法能在有效抑制噪声的基础上,准确提取感兴趣解剖组织的几何轮廓特征。

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18、

The design method based on the boundary representation of geometric objects is proposed for a geometric moulding system graphic database. Its implementation on the UNIFY relational database management system and the design of C language interface are illustrated.

本文以几何体的边界表示法为基础,提出了一个几何造型系统的图形数据库设计方法,并介绍了该方法在UNIFY关系数据库管理系统上的实现及C语言接口设计。

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19、

The conical grinding method has four grinding parameters, and for three drill point geometric parameters, the lip clearance angle, chisel edge angle and point angle, the flank configuration is not unique.

麻花钻锥面刃磨方法有4个刃磨参数,当给定外缘转点的结构圆周后角、横刃斜角、锋角这3个结构参数时,后刀面的形状并不唯一。

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20、

In this study, a new classification method of tolerances according to semantics and mathematical representation of basic geometric elements based on DOF is given.

给出了基于语义的几何公差分类方法及基于自由度变动的基本几何要素数学表示方法;

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