A circle,as an ideal pure form,with its centripetalism and self-sufficiency,possesses a high degree of aesthetic value and expressive force.

圆作为理想纯粹形态,其向心与自足,有很高审美价值和力,深得建筑师、规划师青睐,以致成为规划设计中种普适模式。

Sometimes the word scherzando is used in musical notation to indicate that a passage should be played in a playful manner.

随着奏鸣曲发展，音色和力度变化形式不断增加，使音乐力越来越强。