维护: safeguard; defend; uphold; k ...率: rate; ratio; proportion维护率的设计: design for maintainability保护率: protection ratio; protective rate必要保护率: necessary protection ratio射频保护率: radio frequency protection ratio声频保护率: audiofrequency protection ratio实际保护率: effective rate of protection视频保护率: video protection ratio音频保护率: af protection ratio有效保护率: effective rate of protection; effective vate of protection; epr effective protection rate维护: safeguard; defend; uphold; keep; maintain; upkeep 维护法律面前人人平等的原则 uphold the principle that all men are equal before the law; 维护国家主权 defend state sovereignty; 维护民族尊严 vindicate national honour; defend national honour; 维护人民的利益 safeguard the people's interests; 维护安定团结 uphold [maintain] unity and stability; 维护国际和平与安全 maintenance of international peace and security; 维护世界和平 safeguard world peace; 维护世界和平力量 forces working for safeguarding world peace; 维护祖国统一 safeguard the unity of the motherland; 维护团结 uphold unity; 维护人民的权利 maintain the people's rights; 维护正义 the maintenance of justice负有效保护率: negative rate of effective protection卡介苗接种保护率: protective rate of bcg vaccination上行线路保护率: up link protection ratio预防接种保护率: protection rate of vaccination保持,维护: to maintain(in good repair, condition)操作,维护: operating maintenance卷维护: volume maintenance库维护: library maintenance免维护: maintenance-free软维护: soft maintenance维护,维修: maintenance维护费: annual fee; maintenance cost; maintenance expense; sum of maintenance; up keep cost维护孔: watch window