Study on the relationship between allocation of control rights and R&D investment 并列题名：Study on the relationship between allocation of control rights and R&D investment Study on the relationship between popular arts and core value Studying on the relationship between oasis economic growth and ecological environment Study on the relationship between Daoism and customs belief in Lingnan Study on the relationship between food safety and economic development Study on the relationship between telecom market and regional economy Study on the relationship between China and southeast Asian countries Study on the relationship between culture and economic development in Japan Study on the relationship between painting and epigraphy in the Qing Dynasty