Research on regional technology innovation competitiveness of northeast old industrial base 并列题名：Research on regional technology innovation competitiveness of northeast old industrial base Research on institutional innovation of northeast old industrial base Research on national innovation competitiveness——Theory, methods and empirical 并列题名：Study on the independent innovation capability of state-owned enterprises of northeast old industrial base Study on the independent innovation capability of state-owned enterprises of northeast old industrial base Research on regional policy innovation based on industry transfer 并列题名：Research on national innovation competitiveness——Theory, methods and empirical Rresearch on technical standard and international competitiveness of China manufacturing industry