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自1940年代以来,已有许多不同构形的蛋白质二级结构陆续被提出。
Since 1940, various conformations have been proposed for the secondary structure of protein.
youdao
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自1940年代以来,已有许多不同构形的蛋白质二级结构陆续被提出。
Since 1940, various conformations have been proposed for the secondary structure of protein.
youdao