【多选题】【消耗次数：1】
现实的危险性不仅取决于由生产物质的特定物质危险性和生产工艺的特定工艺过程危险性所决定的生产单元的固有危险性，而且还同各种（）的综合效果有密切关系。
①
国家政策
②
国民经济
③
社会安定
④
人为管理因素
⑤
防灾措施
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