methods had some limitations. There was big difference between the results when using SEG and GGB, suggesting that we should try to combine GGB and SEG methods to get the better results.%死亡漏报情况,但是其自身也有局限性.采用SEG法和GGB法计算的结果差异比较大.采用GGB-SEG两阶段法对DSP数据获得了很好的死亡漏报估计.
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