PPO
美 [.pi pi 'oʊ] 
英 [.piː piː 'əʊ] 
- 网络聚苯醚;多酚氧化酶(polyphenoloxidase);首选供给组织(Preferred Provider Organization)
 
abbr.  | 1. preferred-provider organization 2. Preferred Provider Organization: a type of healthcare programa way to pay for medical costs in which its members pay less if they use particular doctors, hospitals, etc.  |