observed depreciation
估定折旧
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obsolescence allowance
折旧
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obsolescence cost
无形磨损费
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obsolescence loss
陈旧性损失
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obsolescence of assets
资产陈旧
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obsolescence product
过时产品
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obsolescence property
陈旧资产
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obsolete assets
陈旧资产
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obsolete information
过时情报, 已废信息
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obsolete inventory
陈废存货
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obsolete merchandise
过时商品
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obsolete prematurely
过早荒废
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obsolete securities
已关门企业的证券
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obsolete stock
陈旧存货
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obtuse angle
钝角
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obvious fact
明显的事实
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occasional cause
偶然原因
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occasional disturbance
偶然变动
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occasional income
偶然收入, 非经常收入
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occasional inquiry
偶尔询问
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occasional survey
临时检查
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occupation disease
职业病
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occupation hazard
职业性危险
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occupation of funds
资金占有
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occupation pattern
就业模范
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occur to
想起, 想到
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occur to sb.
想起，想
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ocean carriage
海运
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ocean commerce
海外贸易
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ocean floor
洋底
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