The XX_儿 mainly falls into three categories: NN_儿,AA_儿,VV_儿,and their specific referring rules may be summarized in accordance with the characteristic of X as follows: i) NN儿 refers N;ii) NN_儿 refers to objects like N;iii) AA_儿 refers to objects like A;iv) AA_儿 refers to objects conveyed by "A-de";v) VV_儿 refers to objects conveyed by "V-de.

In general,the framework which included deontic rules made children to assign inappropriate high weight on the deontic rules.

Lots of semantic rules are obtained from the experiments, and are used to sense disambiguation.

And finding the correct data dependency is also based on the semantic rules contained in data.

Moreover,the phenomena of the new meanings and usages of the old words,which are caused by trans-usage,new uses of nouns and adjectives,new uses innovated from the original semantic rules is also concerned in this thesis.

The author finds out its ethical implication based on his comprehensive and deep analysis on the inner relationship between property rights and ethics,humane foundation of property rights,rules of justice,responsibility of economic subjects,etc.

System of rules could not work better by duty rules only.