例句與造句

1. The older, central " characteristic octave ", is made up of two first-species tetrachords separated by a tone of disjunction, and is called the Lesser Perfect System.
2. This only reference to a triphonic tone system within Carolingian chant theory, also known as the " lesser perfect system " within the Aristoxenian school, was probably the reason for Aurelian's own name as author and compiler of music theory.
3. It's difficult to find lesser perfect system in a sentence. 用lesser perfect system造句挺難的