最后指出，在今后的十几年内，河北省北部地区仍有发生5 ~6级地震的可能。
Finaly this paper indicated that the earthquakes (Ms 5-6) might occur in the north of Hebei Province...
而浓度低值点一般位于河北省北部包括张家口和承德北部地区以及山东西北部的冲积平原地带。
The sampling sites with relatively lower PAHs concentrations were from north mountainous area of Hebei and alluvial plain of northwestern Shandong.
而浓度低值点一般位于河北省北部包括张家口和承德北部地区以及山东西北部的冲积平原地带。
The sampling sites with relatively lower PAHs concentrations were from north mountainous area of Hebei and alluvial plain of northwestern Shandong.
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