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picograms
释义
picograms
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Drug amounts registered between29 and850 picograms— a picogram is one-trillionth of a gram — per cubic meter of air.
其每立方米空气毒品含量为29到850皮克之间—1皮克等于1万亿分之一克。
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peptolytic enzyme
peptolytic eozymes
peptomete
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更新时间:2026/8/23 18:26:05