从表面上看，药品供应链与其他供应链相似，都具有制造商、批发商和零售商。
On the surface, the pharmaceutical supply chain is similar to other supply chains with manufacturers, wholesalers, and retailers.
竞争者也有相似的价值链，但是他们也拥有与众不同的部分。
Rival firms may have similar chains, but they may also have very different ones.
不管语言，沿海岸线的线粒体dna的层级——一个女性基因标记只携带了女性线链——是相似的。
Levels of mitochondrial DNA - a female genetic marker only carried down the female line - is similar all along the coast, regardless of language.
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