Objective To evaluate the efficacy of endovascular repair (EVR) for aneurysms or dissection aneurysms of the aortic arch.
目的探讨腔内修复主动脉弓动脉瘤或夹层动脉瘤的疗效。
The tail loss which indicates the average loss when the disaster happens is deducted. This enhances the forecasting capability of the EVR model.
推导了尾部损失的计算公式拓展了EVR模型，使其具备了反映突发灾难情况发生时的系统平均损失的能力。
The tail loss which indicates the average loss when the disaster happens is deducted. This enhances the forecasting capability of the EVR model.
推导了尾部损失的计算公式拓展了EVR模型，使其具备了反映突发灾难情况发生时的系统平均损失的能力。
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