Operational Empty Weight (aviation)操作空的重量(航空) Office of Economic Warfare办公室的经济战争 Ordnance and Explosive Waste军械易爆浪费 Offensive Electronic Warfare进攻电子战 Objective Elliott Wave客观的艾略特波 On Eagles' Wings伊格尔斯的翅膀 Occupational Employment and Wage Estimates职业就业和工资预算 One Eyed Willie's一个眼威利