而风险模型和风险管理系统较为复杂的大银行则可以选择协议规定的“内部评级法”，或者简称为“IRB”。
Bigger Banks with more sophisticated risk-modelling and risk-management systems can opt for what Basel 2 calls the "internal ratings-based approach", or IRB.
本文用小角激光散射仪考察了PET和PBT变态球晶的形成条件，采用模型法分析了变态球晶的内部结构。
In this paper, the conditions resulting in the unusual spherulites of PET and PBT were investigated by small Angle laser scattering instrument.
运用业务流程图、IDEFO图、PERT模型法识别和改造流程，不能深刻揭示业务流程的内部结构特征和规律；
The use of business-process-chart, IDEFO or PERT model cannot reveal the characteristics of the interval structure and rules of the business process.
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