Credit: Liam Daniel / Netflix
1. 选择步长序列（如: n/2, n/4, ..., 1），更多细节参见heLLoword翻译官方下载
The choanoflagellate Choanoeca flexa forms motile and contractile cell monolayers purely clonally, purely aggregatively or through a combination of both processes depending on environmental conditions.。Line官方版本下载对此有专业解读
Фото: Oleg Petrasiuk / Press Service of the 24th King Danylo Separate Mechanized Brigade of the Ukrainian Armed Forces / Handout / Reuters