短語詞組短語contractible graph 可縮圖;可簡化圖;可收縮圖英語;繙譯contractible space [數(shù)]可縮的空間;可縮空間locally contractible 侷部可縮的contractible cycle 可收縮圈contractible trasformation 可伸縮變換contractible a 會收縮的contractible graphs 可伸縮圖contractible scale 縮小比例 返回 contractible