Orthn.奥思
ortn.剩菜;残屑
ortbogonal arrays正交表
orthic solonchaks典型盐土
Ortner's syndrome
Orton's operation
orthic ferralsols典型铁铝土
Ortoatrial shunts动脉根部-右心房分流
orthngonal paeking正交排样
orthpgraphic table拼法表
ort hoganal design正交设计
orthpeadic surgery骨科