由以上的各个步骤可以得到各层比较对比矩阵，由此可以计算各层影响因素的权

From the above respective steps can be obtained comparing comparison matrix layers, each layer can be calculated weight factors, the weight factors of the respective layers by weight, the economic viability of the factors to determine whether the selected proper selection; thus can to judge and issue a trend analysis of demographic change and changes in the number of business trends, impact on the economic vitality of Shenzhen.

From the above steps can be obtained by each layer of comparative matrix, so that the weight of the influencing factors of each layer can be calculated, through the weight of the factors of each layer, to determine whether the selected factors affecting economic vitality are appropriate to choose; The impact on the economic vitality of Shenzhen.

From the above steps, we can get the comparison matrix of each layer, from which we can calculate the weight of each layer's influencing factors, and judge whether the selected influencing factors of economic vitality are appropriate through the weight of each layer's influencing factors; from this, we can judge and analyze the trend of population change and the trend of enterprise number change, and the impact on Shenzhen's economic vitality according to the problem one 。<br>