经过多次改造，建筑外观轮廓从正圆形变成由46条不同弧线构成的不规则圆形。

Fromthe competition phase, countless transformations changed the building outline from a precise circle to a distorted circular form composed of 46 different arcs.

youdao

经过多次改造， % 到了元代， 这类乐器基本成熟， 它的主要组成部分是弓和弦。

(v/o) ) After many times of adjustments, this type of musical instruments was quite developed in Yuan Dynasty. It mainly consisted of the bow and the strings.

youdao