Category two experiments could be allowed but "would require strong scientific justification".
第二类实验可以被允许，但“需要有强有力的科学根据”。
P. A. was rushing to document the scientific justification for its proposed finding that emissions of carbon dioxide and five other greenhouse gases endangered public health and the environment.
当时美国环保局正在急于证明所提议的这项发现：二氧化碳和其他五种温室气体的排放会危害公众健康和环境。
P. A. was rushing to document the scientific justification for its proposed finding that emissions of carbon dioxide and five other greenhouse gases endangered public health and the environment.
当时美国环保局正在急于证明所提议的这项发现：二氧化碳和其他五种温室气体的排放会危害公众健康和环境。
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