求翻译：因此，充分认识突发事故中重金属污染物的理化性质，筛选和评估突发性重金属污染事故预测与应急处置技术，建立重金属污染事故预警与应急决策支持系统，已成为环境保护工作者的一项迫切任务。是什么意思？

Fully understand the physical and chemical properties of heavy metal pollutants in the sudden accident, screening and assessment of a sudden heavy metal pollution accident prediction and emergency response technology, establishment of heavy metal pollution preparedness and emergency decision support

Therefore, the full awareness and heavy metals contamination in the physiochemical nature, screening and assessment and forecast of Heavy metal pollution incidents and emergency disposal technologies, establish a heavy metals pollution incidents early warning and emergency response decision-making s

Therefore, the full understanding arises suddenly in the accident the heavy metal pollutant physics and chemistry nature, screening and the appraisal burst characteristics heavy metal pollution accident forecast and the emergency handling technology, establishes the heavy metal pollution accident ea

Therefore, fully understand the physical and chemical nature of heavy metal pollutants in the accident, screening and evaluation of sudden accident prediction and emergency disposal technology of heavy metal pollution, establishing incident of heavy metal pollution early-warning and emergency respon

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