翻译:约化上同岛 同义词1)reduced cohomology group,约化上同岛2)cohomology group,上同岛3)cellular cohomology group,胞腔上同岛4)relative cohomology group,相对上同岛5)simplicial cohomology group,单纯上同岛6)singular cohomology group,奇异上同岛