Studies on China's intellectual property protection from the perspective of reservation of the public domain China's intellectual property strategy from the perspective of new structural economics 并列题名：China's intellectual property strategy from the perspective of new structural economics Studies on the right to social protection from the perspectives of public law Study on land use optimization from the perspective of restoration ecology Study on the intellectual property protection function of local government Study on Chinese classical poetry from the perspective of intertextuality Study on social welfare construction from the perspective of public opinion Study on the development policy of intellectual property service industry from the perspective of innovation-driven development