The progress in transformation between the celestial and terrestrial reference systems;

The researchful progress on basic theory and method of the terrestrial reference system;

Earth system,metallogenic system to exploration system;

Study Expectation of Gas Hydrate-Gas System in Earth System;

Influence of heat transfer of water phase transformation and atmosphere vertical heat transfer on negative entropy flow in the earth system;

In order to characterize the interaction between human activity and natural environment,it is necessary to induce an interactive \'anthroposphere\' in the Earth system model.

Study on the relationship between process parameters and system parameters during twin-screw extrusion;

R407C Incomplete phase changing in heat pumps and its influence on system parameters;

Evaluating the significance of system parameters based on rough sets theory and its application;