extreme and mean ratio造句

例句与造句

Euclid explains a construction for cutting ( sectioning ) a line " in extreme and mean ratio " ( i . e ., the golden ratio ).
In a letter to his former professor Michael M鋝tlin, he wrote, " If on a line which is divided in extreme and mean ratio one constructs a right angled triangle, such that the right angle is on the perpendicular put at the section point, then the smaller leg will equal the larger segment of the divided line ."
It's difficult to find extreme and mean ratio in a sentence. 用extreme and mean ratio造句挺难的