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第期前兆探索岩石膨胀与地震前兆机制(一) 一一地壳内存在岩石膨胀的可能性············~·························~·····“····”····一梅世蓉梁北援(l)脆性岩石破裂的前兆变形和前兆应力降··············
The first phase of the precursor to explore rock expansion and earthquake precursor mechanism (a) the possibility of rock crustal expansion within the crust ·················· ···································································································································································································· 1 ...