同义词
1)Food Research and Development,食品研究与开发2)research and development of chemical,产品研究与开发3)research and development of chemicals,产品研究与开发4)Research & Development of Chemical,产品研究与开发5)Research and Development of Chemical Agent,产品研究与开发6)research and development of microbial products,微生物产品研究与开发
