They have authorised faster trains and new hospitals, mandated ever tougher sentencing laws and governed DNA sampling and stem-cell research.
它们已批准建造更快的火车或新的医院，授权更加严厉的判例法以及管理DNA样本和造血干细胞研究。
"It's kind of obvious in retrospect," Xu said, "but sticky spider webs may be a 'natural' DNA sampling device for DNA from the spider, and from what it's been eating."
徐说，“现在回想起来好像也很显而易见，粘粘的蜘蛛网是收集蜘蛛及其食物dna的“自然”采样设备。”
He also praised the sampling of different kinds of DNA and the analytic methods.
他还称赞了对不同种类DNA进行采样的做法以及分析方法。
But here on Earth, science fiction is becoming reality through a new sampling technology called environmental DNA, or eDNA for short.
但是在地球上，通过一项名为环境DNA(简称eDNA)的新型采样技术，科幻小说正逐渐成为现实。
The next step in improving the current test will include analysis of DNA from direct chorionic villus sampling or amniotic fluid to further reduce the TAT.
接下来，进一步减少TAT的改进措施包括从绒毛膜绒毛或羊水直接取样用于DNA分析。
The next step in improving the current test will include analysis of DNA from direct chorionic villus sampling or amniotic fluid to further reduce the TAT.
接下来，进一步减少TAT的改进措施包括从绒毛膜绒毛或羊水直接取样用于DNA分析。
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