Starting from the time dimension, this paper is based on the interdependent characteristics of high-quality development to establish a kind of dynamic factor model,then analyzes the dynamic evolution characteristics and changing reasons of high-quality development level...MORE Starting from the time dimension, this paper is based on the interdependent characteristics of high-quality development to establish a kind of dynamic factor model,then analyzes the dynamic evolution characteristics and changing reasons of high-quality development level, and identifies the relative importance of each inf...