n.珀西瓦尔(亦作Perceval)(m.)
Conclusion: Sheard and Percival criteria are effective diagnostic aids or guides to predict ocular symptoms.
结论: Sheard准则和Percival准则为评价双眼水平位均衡的有效方法.
Doctor Percival had struck him hitherto as a very genial man.
珀西瓦尔医生给他的印象一直是个和蔼可亲的人.