The seismicity in yunnan region in the20th century occupies a front place in Chinese mainland in extremely high frequency strength and hazard rate.
20世纪云南地区地震活动以极高的频度、强度和成灾率而位居我国大陆之前列。
The seismicity in yunnan region in the20th century occupies a front place in Chinese mainland in extremely high frequency strength and hazard rate.
20世纪云南地区地震活动以极高的频度、强度和成灾率而位居我国大陆之前列。
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