It is expounded that the tectonic stress might be one of the important factors which result in decreasing the BSU lamallae spacing and increasing the stack height and diameter of basic structural units (BSUs) in the coals.

How to construct the human resource information system including basic structure, function and mode.

According to the basic structure of grey system theory and from the point of solving the poverty information and dynamic problem,based on various typical problems in sport eco- nomic fields,this paper makes study on basic theory of sport economic metrological method and finally establish the basic framework,which is suitable for sport economic grey dynamic metro- logical method.

Besides,their basic framework of the general ethical and moral principles.

This paper analyzes on the necessity and superiorities of university library in aspect of developing the digital reference service, and probes into the basic frame of the digital reference service of university library from the service conception, service contents, service modes, ranks construction, and eva luation, etc.