Observational studies have found that the frequency of mobile communication with close ties increases in times of emergency. However, the mechanisms underlying such increases are not well understoo...

中文翻译：

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死亡率显着性和移动语音呼叫：大规模自然灾害的案例

观察性研究发现，在紧急情况下，紧密联系的移动通信频率会增加。但是，这种增长的潜在机制还不十分清楚。