文章摘要信息 关键词 ： 三轴压缩 煤 声发射 时空演化 AE能量 [gap=1309]Keywords : triaxial compression；coal；acoustic emission；space time evolution；AE energy
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space time evolution regularity 时空演化规律
space-time evolution regularities 时空演化规律
space-time evolution feature 时空演化特征
precipitation space time evolution 降雨时空变化
space-time evolution characteristics 时空演化特征
time-space evolution 时空演化 ; 时空演变
space-time difference evolution 时空差异演变
time space evolution 时空演化
In particular, with time evolution, distribution and swing of the mean spin direction is closely related to the structure of the space where the initial coherent state centred in.
特别是随着时间的演化，系统的平均自旋方向的分布和摆动也与初态所处的空间结构有着密切的联系。
Based on the analysis of the time-space distribution features of SST anomaly, some space distribution patterns and their evolution with time are obtained.
然后对此范围内SST距平的时空分布特征进行分析，得出其分布型及随时间的演变。
Tracing research of the earthquake activity was made in this paper using the time-space scanning by selecting the two indexes of the seismicity pattern evolution and seismology parameter change.
本文选取地震活动图像演化和地震学参数变化两项指标，采用有时间段的时空扫描进行演化研究，逐步将这种演化研究推进到短期阶段进行跟踪研究。
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