The experiments described in these materials are potentially hazardous and require a high level of safety training, special facilities and equipment, and supervision by appropriate individuals.
在这些资料中所描述的实验是有潜在危险的，而且要求有高度的安全训练、特别的设施和装备，且要有适当的人员监督下才能进行的。
The experiments described in these materials are potentially hazardous and require a high level of safety training, special facilities and equipment, and supervision by appropriate individuals.
在这些资料中所描述的实验是有潜在危险的，而且要求有高度的安全训练、特别的设施和装备，且要有适当的人员监督下才能进行的。
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