本文评述了古DNA进行PCR分析的有关方法、存在的问题及实验结果的一些甄别标准。
What here introduced is analysis of ancient DNA by PCR, including the method, problems, resolutions and criteria of experimental result authenticity.
与此相似，如果我们听说自我表现是艺术的一个充分条件，那就立刻促使我们问：这个标准是否真的能够单把艺术甄别出来。
Similarly, if we hear that self-expression_r is a sufficient condition of art, that prompts us to ask whether or not that criterion really picks out only artworks.
目标取向教育评价根据其不合理的价值标准甄别学生，并对其分等，造成“后进生”的出现。
According to the irrational value standard, target-oriented educational evaluation separates students, and makes some students underachievers.
结果表明，基于提取的茶叶近红外光谱数据，利用偏最小二乘法（PLS）的甄别效果优于标准法，可以直观地将59个来自不同产地、品种和加工工艺的茶叶样品进行准确的分类判定。
The results showed that the model of PLS was better than that of standard algorithm. Depending on the collected NIR data of 59 tea samples with different regions, assortment and manufact…
结果表明，基于提取的茶叶近红外光谱数据，利用偏最小二乘法（PLS）的甄别效果优于标准法，可以直观地将59个来自不同产地、品种和加工工艺的茶叶样品进行准确的分类判定。
The results showed that the model of PLS was better than that of standard algorithm. Depending on the collected NIR data of 59 tea samples with different regions, assortment and manufact…
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