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改进了从鲸类陈旧骨骼标本中进行基因组dna提取和PCR扩增的方法。
The method to extract genome DNA from old skeletal specimens of cetaceans was improved and the PCR amplification reaction was optimized.
骨骼标本洁白美观，并可长期保存，是开展关于动物的科研和教学的必备资料之一。
The skeleton specimen is white and beautiful, and can be preserved for a long time, so it is one of the most important material for researching and teaching.
当涉及到一件新标本的鉴定和研究工作时，这些掉落的部分如牙齿和骨骼上的一点点银质就显得异常关键。
And when it comes to identifying and studying a new species, every little sliver of tooth and bone is critical.
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