Modern versions of the machines, called passive-dynamic walkers, have been built for decades and have long been thought useful models of human locomotion.
A. assistance
B. development
C. movement
D. advancement
查看答案
The walking robot goes through complex motions; yet explicit computer control is not needed over every joint
A. specific
B. implicit
C. explainable
D. overt
Every practical legged robot will incorporate these principles.
A. utilize
B. combine
C. follow
D. assimilate
If you make the mechanical structures right, for example, adjusting the mass and length of the upper and lower legs to mimic the natural dynamics of walking, the legs do the right thing from physics.
A. mock
B. study
C. imitate
D. minimize
As the forward foot lands, a microchip tells the rear foot to push off.
A. rare
B. hind
C. backward
D. still