Abstract: This paper generalizes the characters of promotional, preventive, permissive and precautionary safety policies of agriculture genetically modified organisms.

摘要：概括分析了鼓励式的、禁止式的、允许式的、预警式的国家农业转基因生物安全政策的特征；

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Abstract: This paper generalizes the characters of promotional, preventive, permissive and precautionary safety policies of agriculture genetically modified organisms.

摘要：概括分析了鼓励式的、禁止式的、允许式的、预警式的国家农业转基因生物安全政策的特征；

youdao