We've talked a little bit about sound production here.
我们探讨了一些关于声音的产生的问题
There's one on DNA fingerprinting, for example, that gives you a little bit more detail about that specific technique; another one on production of therapeutic proteins.
例如,这里有一段,是关于DNA指纹图谱法,提供了这项具体技术一些更详尽的细节,另一段是关于治疗性蛋白质的生产的
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