通过了解粪肠球菌在BHI和SRFE培养基中生长不同时期时其15种因子的表达情况，为粪肠球菌致病机制的研究奠定基础。将粪肠球菌N10株在......

This paper points out the situation of the development of college student tourism market at current stage.To help the re......