并列题名：Study on industrial development mechanism and development environment optimization Study on industrial development mechanism and development environment optimization 并列题名：Study on enterprises development mechanism and development environment optimization based on evolutionary viewpoints Study on enterprises development mechanism and development environment optimization based on evolutionary viewpoints 并列题名：Study on the pattern, evolution mechanism and sustainable development of China's urbanization 并列题名：Study on coordinated development between trade and environment in China 并列题名：Study of the development mechanism and policies for circular economy