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| Chinese | English |
| 水文灾害 | hydrologic disaster Violent, sudden and destructive change either in the quality of the earth's water or in the distribution or movement of water on land, below the surface or in the atmosphere (地球上水流品质，或地面上、地表下、大气中的水流移动或分配的剧烈、突然与毁灭性的变化。) |
| 火灾-水灾周期 | fire-flood cycle |