CDOs were so complex that they had to be assessed using specially designed models, which had various faults.
CODs太过复杂，以至于评级机构不得不用特殊设计的模型对其进行评价，然而这些模型中有各种各样的误差。
CDOs offer higher yields than similarly rated mortgage-backed bonds, but are more susceptible to losses if the underlying loans decay.
与类似等级的其他抵押支持证券相比，CODs收益率更高，但是在主贷款恶化时，其面临的损失也更大。
GAM and THERMOS cods are used in the usual way to produce cross sections of core, reflector, and materials used in control rods, etc.
用GAM和THERMOS程序分别产生堆芯、反射层、含硼碳砖及控制棒组成材料的超热群和热群截面。
At the present time, the main problems are as follows: related cods system is complete, but lacks of material measures;
目前我国化学品安全管理中最主要的问题是虽然有较为完整的法规体系，但具体措施不足；
CODS Customer Oriented Data System
面向用户的数据系统
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