...某些电子的或能量的指数（electronic and energeticmolecular indices）和分子的生物活动性（biological activity of molecules）间的数量关系（quantitative relations）。
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The ultimate goal of the biological activity of large molecules are often metabolism of small chemical elements.
生物大分子活动的最终目标常常是化学小分子的代谢。
Free radicals are a group of charged atoms, molecules or ions with strong biological activity, which play an important role in pathogenesis of cancers and many other diseases.
自由基是一类带电荷的原子、分子或离子，具有很强的生物活性，在肿瘤和其它许多疾病的发生过程中起重要作用。
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