pythagorean intervals造句

However, some Pythagorean intervals are also used in other tuning systems.
See Pythagorean tuning and Pythagorean interval.
In musical tuning theory, a "'Pythagorean interval "'is a musical interval with power of two divided by a power of three, or vice versa.
For instance, the perfect fifth with ratio 3 / 2 ( equivalent to 3 1 / 2 1 ) and the perfect fourth with ratio 4 / 3 ( equivalent to 2 2 / 3 1 ) are Pythagorean intervals.
It's difficult to find pythagorean intervals in a sentence. 用pythagorean intervals造句挺难的