抗组胺药为治疗此类疾病的首选药物，但对部分患者疗效不十分肯定，如何评价药物的有效性尚缺乏客观指标。
Antihistamines are the drugs of first choice, however, some patients show indefinite responses to them. There is still no objective index to assess the efficacy of antihistamines.
但是由于缺乏能够客观量化的指标，使得心音信号检测在诊断和评估心功能方面仍然只是一种辅助手段。
However, the heart sound detection is still only an accessorial tool to diagnose or evaluate cardiac function, because it lacks objective and quantitative indices.
中国物流统计数据缺乏，客观上限制了对其周期规律的研究，本文选取社会物流总额作为测度指标，设计了一种人工序列，解决了统计数据过短问题；
In this paper, total logistics amounts are chosen as evaluation index, and artificial time series are designed to solve the shortness of statistical data in Chinese logistics.
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