英语词汇“back - up system”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	back - up system
释义	back - up system un. 备用系统；后备系统 [网络] 职务代理；支援系统之建立
随便看	residual solvent residual solvent resonance residual solvents residual sovereignty residual space residual spectrum residual speed residual spermatogonium residual spherical aberration residuals plot residual spray residual spray mixture residualss residual stability residual stability area residual stability range residual stability requirement residual stability standard residual stand residual standard deviation residual state of stresses residual static correction residual statics residual stone residual stop 眼眨眉毛动眼眶高眼睛一眨，老母鸡变成鸭眼睛一眨，老母鸡变鸭眼睛一睁，忙到熄灯眼睛上带镜子，透亮眼睛不识宝，灵芝当蓬蒿眼睛会说话眼睛再亮也看不见自己的脊背眼睛只看到鼻头小铜角小铺小锅饭小锞小锣小锣儿小门小户小门生小门票小闲