life system  生活系; 生命体系; 生命系统

life system model  生活系模式

population life system  种群生命系统

System Life Cycle  系统生命周期

advanced life support system  高级生保系统

airing system of life boat  救生艇供气系统

biological ecological closed-loop life support system  生物生态闭环生命保障系统

bioregenerative life support system  生物再生式生命保障系统

bioregenerative life support system BLSS  生物再生生命保障系统

controlled ecological life support system  受控生态生保系统

controlled ecological life support system CELSS  受控生态生保系统

controlled ecological life-support system  受控生态生命保障系统

environment control and life support system ECLSS  环控生保技术

Environmental control and life support system  环控生保系统

fatigue life predicting system  疲劳寿命评估系统

grid-wide life-cycle integrated optimization system  全网全寿命周期综合优化体系

Institute RD Life Cycle Management System  科研院所研发全周期管理系统

life boat with a self-contained air support system  自供空气[支援]系统救生艇

Life Cycle Asset Management LCAM criterion system  资产全寿命管理标准体系