The calamities in Liaoning Province includes the nature calamity and social (artificial) calamity,that could be divided into the dominant calamity and recessive calamity.

 
  • 辽宁省的灾害包括自然灾害和社会(人为)灾害两大类,这些灾害又可以分为显性灾害和隐性灾害。
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