河外目标 extragalactic object

意外目标 Target of Opportunity ; opportunity target ; accidental objective

航空红外目标 airborne infrared target

远红外目标指示器 far infrared target indicator

红外目标识别 infrared identification ; Infrared Target Recognition ; infrared signature identification

红外目标 [红外] infrared target

地面红外目标 ground infrared target

红外目标自动探寻器 infrared target seeking device

援外项目 foreign assistance projects