translation.en: And the information is there twice -- one on each strand -- which is important, because when new cells are formed, these strands come apart, new strands are synthesized with the old ones as templates in an almost perfect process.
translation.zh: 信息有两组 每条氢链上各有一组 这很重要 因为 每当新细胞形成 这些氢链会展开 而新的氢链以旧氢链作为模板进行互补配对 这一过程几乎精准无误