空间解析几何。
The equations of caustic curve and its initial curve for a crack illuminated by an oblique incident light beam in reflection arrangement were deduced using the space analytic geometry method.
本文用空间解析几何方法，推导了在一般非平行斜入射光条件下，裂纹体表面所形成的反射焦散线和初始曲线的方程。
The author has Put forward a new viewpoint on the combination of teaching space analytic geometry and cubic geometry.
作者提出了空间解析几何与立体几何教学结合的一种新观点。
In 3-d stress space, simplified form of Mohr-Coulomb equivalent area circle yield criterion is derived by adopting analytic geometry method.
在三维应力空间，采用解析几何的方法，导出了莫尔-库仑等面积圆屈服准则的简化形式。
Based on the principle of pole density statistics, and by applying the three-dimensional statistical method, the space analytic geometry is adopted to directly calculate the included Angle.
以极点密度统计原理为基础，采用三维统计方法，由空间解析几何直接计算统计夹角。
Based on the principle of pole density statistics, and by applying the three-dimensional statistical method, the space analytic geometry is adopted to directly calculate the included Angle.
以极点密度统计原理为基础，采用三维统计方法，由空间解析几何直接计算统计夹角。
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