An abrupt gradient zone with higher R values may be a radical deformed zone of the lithosphere , it mostly corresponds to an seismic active region with higher intensity and frequency;
高R值强转折梯度带很可能是岩石层的剧烈变形带，多对应于地震高强度、高频度活动区；
The active tectonic pattern and recent stress state in the seismic region of NW Yunnan province are discussed on the basis of field observation and in-situ stress measurements.
本文根据野外调查和原地应力测量资料，讨论了滇西北地震活动区的活动构造型式和现今应力状态。
The active tectonic pattern and recent stress state in the seismic region of NW Yunnan province are discussed on the basis of field observation and in-situ stress measurements. Data.
本文根据野外调查和原地应力测量资料，讨论了滇西北地震活动区的活动构造型式和现今应力状态。
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