A set of modular chains could navigate an obstacle course by crawling through a tunnel as a snake, crossing rocky terrain as a spider and riding a tricycle across a bridge as a biped.

• 很多链型机器人能够越过很多障碍物，比喻它能够像蛇一样爬行穿过管道，能够像蜘蛛一样跨国岩石地形，能够像两足动物一样骑着三轮车行驶过桥梁。