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1.This compound is used in the production of nitric acid.
这种化合物用于生产硝酸。
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2.The chemical was found to be highly toxic and could cause serious health problems.
这种化学物质被发现具有高度毒性，可能导致严重的健康问题。
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3. The research team discovered that the substance had a unique property that could be useful in various applications.
研究小组发现这种物质具有独特的性质，可以在各种应用中发挥作用。