OOB=off-off-Broadway 纽约第三戏剧界OOabbr.面向对象的(=Object Oriented)oonstruction mntract bond system工程保证担保制OOA Approach and its Application面向对象分析方法及应用oocyte-corona-cumulus complex卵母细胞-放射冠-卵丘复合体oortiootropin-releasing hormone促肾上腺皮质激素释放激素oolitic hematite and limonite ore鲕状赤褐铁矿oolite bearing blocklike sandstone含鲕粒块状砂岩OOUI Object Oriented User Interface面向对象用户界面Oor Management With Stress syndrome也称为拙劣管理应激综合征OO software cluster-level testing面向对象软件簇级测试oomposite thermal insulation material复合保温材料