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- 1126587
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- 小时
- 注册时间
- 2015-6-27
- 最后登录
- 1970-1-1
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• [L *B] 6 earthquake : at intervals of 22 years
○ Predictable : 1988-1992
§ Detect precursor : observation networks
§ However no earthquake
○ Paleoseismology
§ Logical feature: fault scarp, landslides …
§ 1989 [KES]: chronology
□ MEAN :132;VS 44-332 years
○ [L]: unfazed
§ AIDS VACCINE
○ [RQ]: help mitigate hazards
○ But others : -
§ [RG]: short nor long
□ Assume region are dangerous
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