So they were able to develop methods to recognize and sort short bits of ancient DNA from longer chunks of contaminant DNA and also to fish out gene regions of interest.
因此，他们可以找到方法来识别并排序从受污染的长段DNA中提取的短段古生代DNA，并提取出感兴趣的基因段。
Oil prices have not risen high enough to spur this sort of production growth in any of the other major crude and natural gas liquids producing regions of North America.
油价还并未上涨到足以刺激北美地区各大原油和天然气产量增长的地步。
Oil prices have not risen high enough to spur this sort of production growth in any of the other major crude and natural gas liquids producing regions of North America.
油价还并未上涨到足以刺激北美地区各大原油和天然气产量增长的地步。
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