Research on the efficiency measurement and path optimization of China's manufacturing industry upgrading driven by "Internet Plus" 并列题名：Research on the efficiency measurement and path optimization of China's manufacturing industry upgrading driven by "Internet Plus" Research on the mechanism and path of the manufacturing industry upgrading with "Internet Plus" 并列题名：Research on the mechanism and path of the manufacturing industry upgrading with "Internet Plus" Research on the mechanism and model of green transformation of China's manufacturing industry driven by green innovation Research on ODI networking development and value chain upgrading of China's manufacturing industry under the Belt and Road initiative Research on the high quality development path of China's manufacturing industry under the new global changes