地面: the earth's surface; ground操作: operate; manipulate; handle保障: ensure; guarantee; safeguard系统: system地面操作: ground-handling operation氨保障系统: ammonia support system保障系统: safeguards system氮保障系统: nitrogen support system地面操作扶手: handling rail; handlingrail地面操作设备: ground operating equipment发射保障系统: launch enable system生命保障系统: biological life support system; human factor system; life-support network; life-support system; lifesu ortsystem太空保障系统: space operation service functions战斗保障系统: combat support system; gcss着陆保障系统: landing aid system地面操纵系统: ground control system桌面操作系统: desltop operating system地面操作继电器: ghr ground handling relay靶场安全保障系统: range safety system乘员生命保障系统: crew life-support system低温生命保障系统: cryogenic life support system应急生命保障系统: emergency life support system; emergencylifesu ortsystem月球后勤保障系统: lunar logistic system自动列车保障系统: automatic train protection system最低生活保障系统: a minimum living standard system