preventive use预防性使用preventiveadj.预防的；防病的n.预防物；预防性措施preventive disinfection预防性消毒preventive jurisdiction预防性管辖权preventive sterilization预防性绝育preventive ophthalmology预防眼科学Preventive Medicine Team防疫小组,防病医务小组Preventive Medicine Unit防病医务小队Preventive and treatment防治preventive health service保健服务Preventive dental service预防性牙服务Preventive control method预控法