特殊用法auxiliary diagonal1.辅对角线body diagonal1.体对角线compression diagonal1.受压斜杆counter diagonal1.逆斜杆fancy diagonal1.花式斜纹fictitious diagonal1.假想斜杆image diagonal1.图象对角线leading diagonal1.主对角线minor diagonal1.次对角线partial diagonal1.偏斜杆picture diagonal1.图 象对角线, 屏面对角线principal diagonal1.主对角线scan diagonal1.扫描对角线diagonal of a matrix1.(矩)阵的对角线diagonal of a polygon1.多边形的对角线