Taking the phonetics as the main research objective,this thesis analyzes the relevant factors of transfer in the study of phonetics from the angle of constructivism—ill-structured domains,meaningful constructiveness and real situation.

In this paper the basic idea of constructive theory is expounded.

The thesis is to find a way to make the vocabulary easy to learn and avoid forgetting by using the constructive theory.

The traits in development of modern c urriculum theory include multiple i n theory construction,profound and wide in theory research,diversify in theory schools,practical in th eory achievement and globalism in th eory influence,etc.

The theory construction is internal demand of field research.

Facet theory integrates theory construction,research design,variables selection,and data analysis in a systematic way.

Analysis of construction theory and its necessity for Chongqing Eco-industrial Park;

Development and debates in the theoretical construction of economic geography;

Theoretical Construction and Practical Exploration of Language Sense Teaching;

We can approach the theoretical construction and theoretical verification of the theory of international relations by using the idea of positivism,adopting the logic quantitative study,and analyzing mainly from three levels: methodology,research methods and research technique.