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1·A new affine invariants based on affine geometry for object recognition and matching is proposed in the paper.

提出一种新的基于仿射几何的仿射不变特征提取方法，适合于目标的识别和图像的匹配。

2·The symmetry algebras of 1 + 1 dimensional nonlinear evolution equation arising from the motion of plane curve in affine geometry are systematically studied.

系统地研究了来自于射影几何中平面曲线运动的1 + 1维非线性方程的对称代数。

3·The concept of weak block design is proposed in this paper. Based on affine geometry and projective geometry, affine manifold codes and projective manifold codes are constructed.

提出了弱区组设计的概念，并根据仿射几何和射影几何构造了仿射流形码和射影流形码。

4·The expressions of the affine fractal interpolation function and the locally explicit presentation of the vertical scaling factors are presented on the basis of fractal geometry.

在理论分析的基础上给出了自仿射分形插值函数的表达形式和垂直比例因子的显式表达形式。

5·Method Actual geometry of the bone was represented as a standard pretreated model of bone, which was auto located by employing an affine scaling transformation.

方法针对小腿残端的特点，用标准骨替代真实骨，使用校准点映射法进行骨定位和配准，采用子域分解法自动形成网格。