active seismic measurement
East Asia Triangular Seismic Region
High-intensity seismic region
huge triangle-angle seismic region
limestone region seismic data collecting
North China seismic region
Seismic active characteristics
Seismic Active Earth Pressure
Seismic active environment
seismic active fault probing
Seismic active structural micro-region
seismic seismic section
Tangshan seismic region
active region
活跃区
活性区
活性部位
活动区域
放射区
活化区
激活区
作用区
工作区
活性区域
活动区
有源区
有源层
作用区域
有效区
主动区