Other environmental sampling was negative.
其它环境样本呈阴性。
In the safeguards environmental sampling, analyzing isotopic ratio of single uranium-bearing particle in swipe samples was very important.
在核保障环境取样分析中，对含铀单微粒进行元素和同位素分析是十分重要的。
In the safeguards environmental sampling, analyzing isotopic ratio of single uranium-bearing particle in swipe samples was very important.
在核保障环境取样分析中，对含铀单微粒进行元素和同位素分析是十分重要的。
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