subsistencen.生存；生计；存在Subsistence allowancesystem低保制度Subsistence Support Officer维护支援官员subsistence allwance supply给养补助供应Subsistence allowance system低保制度subsistence material expense给养器材费subsistence peasant economies维持生计的小农经济subsistence of prisoner of war战俘给养Subsistence Prime Vendor Interface粮饷主要供应商接口Subsistence Operations Review Board生存作战审查委员会Subsistence Small- scaled Peasant生存小农