... Precautionary statements 预防 Precautionary Tool 预防措施 precautionary area 警戒区 ...
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precautionary tool
预防工具
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The Department of Health and Human Services has declared a public health emergency as a precautionary tool to ensure that we have the resources we need at our disposal to respond quickly and effectively.
WHITEHOUSE: The Necessity of Science
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