一、预案编制的背景、目的和意义我国正处在工业化加速发展时期,发达国家上百年工业化过程中出现的环境问题,在我国近20多年集中出现,呈现结构性、复合性、压缩性的特点。我国突发环境事件呈快速上升趋势,造成的损失也与日俱增。自1993年有 I. Background, Purpose and Significance of Preplanning and Preparation China is in an accelerated period of industrialization. The environmental problems that emerged in the process of industrialization in the past century in developed countries have been concentrated in our country over the past 20 years, showing the characteristics of structural, compound and compressibility . Sudden environmental incidents in China showed a rapid upward trend, causing losses are also increasing. Since 1993 there