posterior loss[计] 后验损失posterioradj.(在时间；次序上)较后的n.臀部posterior ischemic optic neuropathy/dlagnosis后部缺血性视神经病变／诊断posterior capsuler opecification/drug therapy后囊混浊／药物治疗posterior capsular opacification/ complication后囊膜混浊／并发症posterior extra-peritoneal incision and drainage后侧腹膜外切开流术posterior route unilateral open-door laminoplasty单开门posterior pituirary insufficiency diabetes insipidus垂体性尿崩症posterior-anterior position of mandibular roentgenograph下颌骨后前位投照术