Research on characteristics and influence factors of business cycles in transition China 并列题名：Research on characteristics and influence factors of business cycles in transition China Characteristics and source analysis of business cycles in China 并列题名：Characteristics and source analysis of business cycles in China Research on the status, characteristics and influencing factors of university students' online participation in hot events Analysis on carbon emission characteristics and influencing factors of thermal power industry in China Research on the development and influencing factors of venture capital network in China Studies on the characteristics and the influencing factors of price fluctuation in China Research on measurement, spatial feature and influencing factors of interprovincial energy intensity in China Research on the spatial distribution characteristics and influencing factors of place names in Northeast China based on GIS