It has been suggested that the dihydrate process be used in the place where power cost is cheap;

The inflorescences of Osmanthus fragrans are dichasium or pleiochasium.

桂花花序为二歧或多歧聚伞花序。

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The experimental result shows that the normal pressure distribution on the surface of the model blade is a conicoid, the maximum of the normal pressure is in the middle of the model blade.

研究结果表明，法向压力在模型铲刀表面呈二次曲面分布，在模型铲刀的中部取得最大值。

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Then, using these methods, and the property that C-Bezier can exact reproduction of conicoid, this paper extend C-Bezier surfaces to engineering surfaces.

最后，利用分割和拼接技术，结合C-Bezier曲面能够精确表示二次曲面的特性，将C-Bezier曲面推广到常见的工程曲面上。

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We use least squre method to form conicoid mathematic model and fit the point cloud which has been grouped by octree subpision method.

应用最小二乘法建立二次曲面的数学模型，对于已用八叉树分组的点云数据实现隐函数拟合。

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Through the RBF neural network's training and calculation of GPS testing data, the accuracy of RBF algorithm is better than that of the conicoid fitting method.

用实际观测数据进行了试验和仿真，结果表明，用RBF神经网络转换GPS高程的精度优于最小二乘法。

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Testing of aspheric surface, such as aspheric having small deviation from sphere, conicoid and aspheric collimated system;

非球面检测：低陡度非球面、二次曲面及非球面准直系统；

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In the last of the paper, two math models, include plane fitting method and conicoid fitting method, are particularly analyzed based on some projects.

最后，结合多个具体的工程实例，对GPS高程拟合的两种数学模型（平面拟合法和二次曲面拟合法）进行了详细分析；

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The simulation environment for the braking of aircraft was virtualized by conicoid model, planar paste, illumination and particle technology.

通过二次曲面模型、二维贴图、光照以及粒子系统等技术形象地虚拟出了飞机刹车的仿真环境；

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The conicoid can be generated by the program. Programmed Design of Calculating and Drawing for Ship's Hydrostatic Curves

可生成各种二次曲面、计算船舶静水力。船舶静水力曲线计算和绘制程序的设计

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A research on the characteristic of the refraction-reflection system composed of rotational conicoid thin lens and flat mirrors

旋转二次曲面薄透镜与平面镜组成的折反光学系统的性质研究

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Spacial Analyse on Intersection Curve of Revolution Conicoid

二次旋转曲面相贯线的空间解析分析

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An algorithm for tetrahedron mesh that can approach to the conicoid boundary during the refined process was presented.

本文介绍了一种在四面体单元网格的加密过程中实现曲面逼近的算法。

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The cardinal point and cardinal plane of the rotational conicoid refraction-reflection-refraction system

旋转二次曲面折反折系统的基点和基面

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The method of conicoid fitting and the method of neural networks used for transforming GPS height are introduced briefly in this paper.

简要介绍了转换GPS高程的二次曲面拟合法和神经网络方法。

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To Confirm Center Conicoid by Center Coordinate

利用中心坐标确定中心二次曲面

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The Principle for Solution Problem of Conicoid Intersection by the Homothetic Curved Surface and Its Application

用位似曲面求解二次曲面交线问题的原理及应用

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The image theory on corrected spherical aberration rotational conicoid

消球差旋转二次曲面的成像理论

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Calculation Method and Formulas of Conicoid Aspherical Degree

二次曲面非球面度计算方法及公式

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Spherical Aberration Analysis of Refraction Imaging for the Rotational Conicoid

旋转二次曲面折射成像的球差分析

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An Approach Conicoid Boundary Algorithm and its Related Procedure for Tetrahedral Mesh during Refined Process

四面体单元网格加密过程中的曲面逼近算法及程序实现

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