Some graphical representations are natural to human being like a containment represented as a tree or also a sequence represented as several boxes linked each other by an arrow.

有些图形化呈现对人们来说很自然，比如将一个集合以树状的形式表现，或者用箭头连线几个盒子的方式呈现一个串行化过程。

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This label is DNA that might be made radioactive or made fluorescent, and it has a base pair sequence that is from some other region of the gene that you're interested in.

这种标签就是具有放射性,或者荧光性的DNA,它有一个取自于,你感兴趣的那段基因上,其他位置的碱基对序列

耶鲁公开课 - 生物医学工程探索课程节选