地震活动度

Seismicity trend before the earthquake was forecasted according to seismicity feature and commensurable characteristics of strong earthquake activities of Sichuan and Yunnan areas.Since Oct., 1995, a lot of kinds of the anomalies with large amplitude, such as radon and CO2 contents in groundwater and groundwater level etc.synchronized in a wide range of western Yunnan, especially along Zhongdian—Nanjian seismic area. The characteristics of these short-term anomalies are introduced and analysed.

根据川滇地区地震活动特征和可公度性计算结果，在该次地震前对地震大形势进行了预测。1995年10月以后，滇西北地区出现了大面积、大幅度、多手段的同步异常，其中以水氡、水位和CO2异常为主，沿中甸─南涧地震区分布较为集中。

Based on systematic analysis, nine seismometry parameters that response earthquakes well in North China are selected, which are seismic frequency, seismicity scale, mf-value, b-value, D-value,η-value, seismicity intensity entropy and seismicity time entropy. Using synthetic anomaly index method, we calculated their seismic anomaly index values separately and synthesized these values into a chronogenesis curve. After studying its short-term anomaly characteristics to earthquakes, the criterion index for M≥5.8 earthquakes in North China is obtained. The R-value test indicts that it has good prediction effect.

在系统分析并筛选出华北地区地震频度、地震活动标度、mf值、调制比、b值、D值、η值、地震活动强度熵和地震活动时间熵等映震较好的9项测震学参数基础上，应用综合异常指数方法，分别计算了它们各自的地震异常指数时序值，进而合成得到华北地区测震学综合异常指数时序曲线，通过研究其地震短期异常特征，给出了华北地区M≥5.8地震短期综合预测的判据指标，经R值评分检验表明，该指标具有较好的地震预测效能。

"Seismicity at almost all scales is absent from most faults, before any large earthquake on that fault; the San Andreas Fault in Southern California is remarkably somnolent at all magnitudes on the section that tore in the 1857 earthquake."

"大地震在某个断层发生之前，几乎所有标度的地震活动性都存在于大部分断层之外；地震活动性在南加利福尼亚州San Andreas断层上1857年被扯断的那一段前处于一种引人注目的催眠状态。"

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。