activity and segmentation of fault 断层活动性与分段
It is reflected the otherness and homophyly of different consumers demand by market segmentation, which can redound to enterprise understand market and choose goal consumer in market activity.
通过市场细分，可以反映出不同消费者需求的差异性和类似性，从而为企业在市场营销活动过程中认识市场、选择目标顾客提供依据。
Wenchuan earthquake; Yingxiu-Beichuan fault; activity segmentation; assessment of earthquake magnitude; recurrence interval of strong earthquake;
汶川地震； 映秀-北川断裂； 活动分段特征； 地震震级； 强震复发周期；
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