survivaln.幸存；幸存者；生存；残存物，幸存物；【人类学】(失去原有意义、作用的)残存文化特征survival motives生存动机survival paradox生存悖论Survival signals存活信号survival voltage残余电压Survival culture生存策略survival ability生存能力survival-curve存活曲线Survival tragedy生存悲剧survival rations救生口粮Survival factors生存因素