Promoting forest economic development to increasepeasant s income in Songyuan City, Jilin,China;

Assessment of groundwater antipollution capability in Songyuan City;

Preliminary Study on Diversity of Anatidae in Spring in Songyuan City;

Analysis and Design of Songyuan City Post Corporation Agent Telecommunication Operation Customer Relationship Management System;

Analysis on Tourism Resource Selection in Songyuan City

Problems in Mining Exploitation in Songzi City and its Development Countermeasures;

Environmental Problems and Protection Countermeasures for the Wetlands in Songnen Plain,Oortheast China;

Research on Effects of Land Use Change on Regional Ecosystem Service Values of Songnen Plain,China;

Study on Element Compositions of Alkaline Dust Aerosols in Western Songnen Plain,China;