This study,based on community space system,guided by ecological relevancies of time、space、capacity、structure、order of compound ecosystem,analyzed the specific contents of human net、rule net and culture net of social subsystem,pointed out how to construct ecological social relations in eco-communities.

Thinking on Social-Ecological Relationships in Ecological Quarter;

The authors think social relation situation map deduced from the relation equivalence index of social network is a good tool for competitor s analysis.

In the theory of all-round production of social organism,the most easily neglected theory is Marx theory of reproduction of social relation.

This paper analyzes and makes comments on the three views,and further puts forward a fourth view: the mature Marx s philosophy is ontology of praxis—social relations of production which has the whole content of Marx s ontology expressed.

In any society production is a social productive system, which is based on material production and is directly decided by social relation production.