DNAfingerprinting has proved the clincher in this investigation.
DNA指纹已为此项调查出示了铁证。
《柯林斯英汉双解大词典》
2
DNAfingerprinting and other DNA analysis techniques have revolutionized criminal investigations by giving investigators powerful new tools in the attempt to trove guilt, not just establish innocence.
DNA 指纹和其他 DNA 分析技术已经给犯罪调查带来了革命性的变化，它给调查人员提供了强大的新工具来试图发现罪行，而不仅仅是确立清白。
3
Using techniques similar to those involved in DNAfingerprinting, they then looked for the presence of antibiotic-resistant genes - and found these in high concentrations.