The fact that the railway system controlled by the Southern Manchuria Railway Corporation monopolized the Chinese northeast railway transportation aroused great dissatisfaction of the northeast local government leaded by Zhang Zuo-Lin.

Research on physical education taching condition and development model in parts of universities in three provinces of Northeast China;

Characteristics of agricultural climate resources in three provinces of Northeast China under global climate change

Based on the model of Cobb-Douglas function,this paper measures the rate of contribution (Ch) made by higher education to the economic growth of northeast three provinces.

In China, including northeast three provinces, the consumption of coal resources composes of the majority energy consumption, so the coal resources have had the prominent position in modernization.

Study on the Situation of Soil Organic Carbon Storage in Arable Lands in Northeast China;

Study on Regional Differentiation of Urban Sustainable Development Capacity in Northeast China;

At present,the provinces of northeast China area are at the stage of active labor population transformation.

Furthermore,this paper also sets up the framework in terms of the region integration between the eastern area of Inner Mongolia and the three provinces in Northeast China.