environmental agent meaning in Chinese

环境动因,环境因素
环境剂

In addition to very strong clinical observations , there were a number of studies that examined the effect of environmental agents on cellular and molecular processes in allergy , and molecular approaches were also used in investigations of allergen structure and biology
除了比较明显的临床观察外，仍有大量的研究致力于探讨环境过敏原于细胞或分子上所造成之过敏反应。