progression

defin toward progression

progression n.

行進, 級數

英英解釋:名詞progression:
1. a series with a definite pattern of advance
同義詞：patterned advance
2. a movement forward
同義詞：progress, advance
3. the act of moving forward toward a goal
同義詞：progress, procession, advance, advancement, forward motion, onward motion

習慣用語

in progression 連續, 相繼

mode of progression 步法, 游法