Noise insulation cushion in accordance with the construction of energy-efficient design and application needs, can be arbitrary ratio, the weight of the formation of different product lines.
隔音保温节能垫层根据建筑工程的设计和应用需要，可任意配比，形成不同重量的产品系列。
3
BP neural network can implement approximating nonlinear functions by arbitrary accuracy through regulating variable weight connection. This character can fit the nonlinear functions relations.