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中文
STUDY ON THE CHARACTERISTICS OF PRECURSORY ANOMALIES BEFORE THE MS 4. 0 SHUNYI EARTHQU-AKE AND MON ITORING ABILITY OF PRECURSOR OBSERVATIONAL NETWORK IN BEIJING AREA
Gu Yongxin, Ma Zhiming, Gao Fuwang
EARTHQUAKE . 1999, (
2
): 209 -213 .
