本文介绍了超铀元素的环境水平，对它们的放射化学分析的进展进行了述评。
An introduction to environmental level of transuranium elements and a review of the recent advance in radiochemical analyses of them are made.
放射性碳年代测定法涉及到了化学分析，与文物中残留的有机物成分所释放的放射性碳的含量测定有关。
Radiocarbon dating had to do with chemical analysis, something to do with measuring the amount of radiocarbon that's left in organic stuff.
它们与化学分析有关，与测量有机体留下来的放射性碳数量有关。
They had to do with chemical analysis, something to do with measuring the amount of radiocarbon that's left in organic stuff.
它们与化学分析有关，与测量有机体留下来的放射性碳数量有关。
They had to do with chemical analysis, something to do with measuring the amount of radiocarbon that's left in organic stuff.
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