灾变 meaning in English

catastrophe; cataclysm
◇灾变说 catastrophic theory; catastrophism

Periodic local catastrophes reduce populations .
周期性的局部地区的灾变降低了种群的数量。
The final solar convulsions will wipe out all life on the planet .
太阳的最后灾变将把地球上的一切生命消灭干净。
Catastrophes of marshy ground and its control in west sichuan
四川西部湿地的灾变与防治
On the bearing capacity of agricultural society for disasters
试论农村社会的灾变承载能力
The cusp catastrphic model for destabilization of deep tunnels
深部隧道失稳的尖点灾变模型

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