They have recently improved and expanded the system by changing the floor covering from rubber to stone tiles, and have improved the layout of the mechanisms to improve energy generation.
他们目前要将其改造和扩大。比如更换表面覆盖物，把橡胶换成瓷砖；改进结构布局以产生更多的能量。
2
Interface automatic generation brings the different interface layout in the given interface area to users according to information of the extended object model means of different placement strategy.