预防原则存在于许多国家的法律和许多国际条约中 ,其支持者认为它体现了环境决策领域与以往完全不同的新方法。与它的重要性相比 ,对它所作的系统论述就太少了。预防原则的表述版本很多 ,各自所使用的词语和句法结构有所不同。也许对于从事环境研究的专门工作者来说 ,这项原则 The precautionary principle exists in many national laws and in many international treaties, and its supporters believe it embodies new approaches that are completely different from those in the past in the area of ​​environmental decision-making. There is too little systematic account of it in relation to its importance. There are many versions of the precautionary principle, each with a different vocabulary and syntax. Perhaps this principle is for specialists engaged in environmental research