细菌胞壁多糖
cell wall polysaccharides
细菌胞外多糖
bacterial exopolysaccharides
extracellular polysaccharides
脑膜炎球菌多糖菌苗
epidemic meningitis vaccin
meningococcal polysaccharide vaccine
meningococcal polysaccharide vaccin
meningococus vaccin
反硝化细菌多样性
denitrifying bacteria diversity
光合细菌菌液
Photosynthetic bacteria liquid
土壤细菌多样性
diversity of bacteria in soil
bacterial diversity