ma zongjin造句

• Wang xiaoqing and ma zongjin , 1990 , deep crustal structure of north china seismic region , revealed by earthquake statistics and geopgysics data ( abstract ) , international workshop on continental seismogenetic layer , april 27 - 30 , beijing , china
  王晓青， 1992 ，华北地震区地震空间分布与震源层构造特征，大陆多震层研究，北京：地震出版社。