v9n2

Differential evolution particle swarm algorithm for vector map declassification problem

1-10

Jun Tang, Qiang Li

Analysis of agricultural land classification results supported by GIS--Tabai County, Baoji City as an example

11-16

Hui Kong, Tingting Meng

Study on Single Toxicity of Pb, Cd and Cr to Earthworms

17-21

Yilun Dai

Research on pension finance of commercial banks under the background of population aging--Take the successful experience of pension finance in developed countries as a lesson

22-32

Yiting Liu

Research on Intelligent Takeaway Cabinet Based on OpenWrt

33-41

Guixian Lin, Lu Zhang

Study on the current situation of tourism market development of disabled groups in Anhui Province

42-46

Juan Zhou, Runyue Yan