m-(N,N'-Dimethylamino) benzoic acid是什么意思
中文翻译3-二甲基氨基安息香酸网络释义
1)m-(N,N'-Dimethylamino) benzoic acid,3-二甲基氨基安息香酸2)3-(Dimethylamino)benzoic acid,3-二甲基氨基安息香酸3)NO_3~-,NO~3~-4)NO~-_3,NO~-_35)As~(3+),As~(3+)6)3×3×3 lemma,3×3×3引理用法例句
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。