数据访问对象抽象工厂
data access object and abstract factory
PBS改性共聚物
Modified copolymer of PBS
超导电性与磁性共存
coexistence of superconductivity and magnetism
成矿共性
common features in mineralization
弹性共轭曲面
elastic conjugate surface
Elastic conjugate surfaces
多神经炎型遗传性共济失调
heredopathia atactica polyneuritiformis