cartesian geometry

and a basic understanding of cartesian geometry, too.

和一些理解解析几何的知识。

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Construction of Another Cartesian Authentication Code from Odd Characteristic Orthogonal Geometry

奇特征正交几何上另一Cartesian认证码的构作

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a much better way was suggested by rene descartes, who introduced the subject of analytic geometry (also known as cartesian geometry). r.

笛卡儿提出了一种好得多的办法，并建立了解析几何（也称为笛卡儿几何）这个学科。

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A Cartesian geometry steady-state nonlinear analytic nodal method for solving two-group multi-dimensional neutron diffusion equation is described. The method incorporated into a code NODAN is developed based on the nonlinear iteration technique and the analytic nodal method ( ANM).

求解两群多维中子扩散方程的稳态非线性解析节块方法是基于非线性迭代技术与解析节块方法而建立的，并在计算程序NODAN中实现。

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In order to calculate the intensity of general-stress in tri-axis test in geotechnical investigation, the author uses cartesian geometry principle to derivate calculation functions of common tangent points coordinates of every circle by the common tangent line. Especially, the slope tangent line is calculated directly.

工程勘察三轴试验的总应力强度指标的计算，运用解析几何原理导出任意两个应力圆公切线切点坐标计算公式，尤其是直接计算切线斜率。

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