This paper presents a basic law of the simplified equation of surface of degree 2, especially the law of the simplified equation of surface of degree 2 with two equal zero roots.
给出一种简便的二次曲面简化方程的基本定理,特别给出二重零特征根二次曲面简化方程的定理。
3
Aiming at solving those problems, this paper proposes a new method of dealing differently with "similar to" and "equal to" relations in grass-roots ontology alignment.