请问有知道下列段落的翻译吗： Leachate: total residue 0.6 - 2.3 % of AR in leachates, not characterized further Soil columns: total residue 89.5 – 95.4 % of AR in soil columns (mainly in the top 10 cm), extractable 26 – 64 % of it, mainly unchanged parent Volatiles not trapped. 有知道上面这段话的意思的吗？请帮助，里面的AR是什么意思
The title of the paper is “Review report for the active substance phenmedipham……” and AR appears in the pharse “total residue 89.5 – 95.4 % of AR in soil columns……”, would AR stand for Active Residue?
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