并列题名：Research on effect evaluation of China's new energy vehicle industry policy based on multi-source data Research on effect evaluation of China's new energy vehicle industry policy based on multi-source data 并列题名：Research on brand evaluation method based on multi-source data Research on the digital development of China's new energy vehicle industry under the background of carbon neutrality 并列题名：Research on the effect evaluation of China's income distribution system reform Research on brand evaluation method based on multi-source data 并列题名：Research on the evolution of China's industrial policy in the 70 years of new China