- To improve the security features of chaotic communication system,a chaotic encryption scheme was developed based on piecewise parabolic map,and composite sequence was used.
- There is a map of the world on the wall.
- He spread the map flat out on the floor.
- The road we should take is marked on the map.
- On the map the drains of each field are laid sown.
- I found this old map in the family archives.