基本释义:

3-流形

网络释义

1)3-manifolds,3-流形

2)an amalgamation of two 3-manifolds,3-流形的融合

3)NO_3~-,NO~3~-

4)NO~-_3,NO~-_3

5)As~(3+),As~（3+）

6)3×3×3 lemma,3×3×3引理

用法和例句

The additivity of the relative genus of 3-manifolds;

3-流形相对亏格的可加性(英文)

This article extends snake lemma to two snakes lermma,and entends 3×3 lemma to 3×n lemma 3×3×3 lemma,Moreover,it studies some problems on exact plane,exact cube as well as problems on cubic commtative diagrams.

将蛇引理推广到双蛇引理,将3×3引理推广到3×n引理、3×3×3引理,并研究了与正合平面、正合立体有关的几个问题及立体交换图问题。