In order for the output (humidity and baseweight) in the copy paper process to approximate the given value as much as possible, PID controller of BP nerve network is used.
为了使抄纸过程的输出(湿度和基重)最大限度地接近给定值，采用BP神经网络PID控制。
2
What happens is that the ice at the base of the glacier is under a great deal of pressure—the pressure coming from the weight of the overlying ice.
实际情况是，冰川底部的冰承受着巨大的压力——这些压力来自于覆盖在上面的冰的重量。
3
Upstanding toothbrush makes use of a weight at the end of its rounded handle to create a centre of gravity at the handle base.