protectin[医] 保护素(旧名), 橡皮纸protectv.保护；投保Protect and utilize保护与利用protecting coatings接枝共聚protected grassland草地封育protecting cladding保护包装protecting planning保护规划Protecting behavior防护行为Protecting Reliance信赖保护Protected courtyard保护院落protected subsystem保护子系统Protected vegetable设施蔬菜