3-manifolds
翻译:3-流形
同义词
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~-_35)As~(3+),As~（3+）6)3×3×3 lemma,3×3×3引理英汉例句
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。