短語詞組短語Low -incidence areas 低流行區(qū)low -incidence area 低發(fā)區(qū)high -and low-incidence areas 食管癌高低發(fā)區(qū)low incidence family 低發(fā)家族low incidence area 低發(fā)區(qū)low incidence antigens 低頻抗原low incidence areas 低發(fā)區(qū)low incidence angle 低入射角The low incidence area 低發(fā)區(qū) 返回 low incidence