They're asked to form a circular shape, and no matter how many robots you introduce into the formation, or how many robots you pull out, each robot is simply reacting to its neighbor.
它们被要求形成一个圆圈， 不管你往这个阵列中放多少个机器人， 或者是你拿出来多少个机器人， 每个机器人都会很简单地 根据它相邻机器人的行为做出反应。