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1. Oxford Dictionary

   secondary structure

   • n.
     the local three-dimensional structure of sheets, helices, or other forms adopted by a polynucleotide or polypeptide chain, due to electrostatic attraction between neighbouring residues.

   • noun: secondary structure, plural noun: secondary structures

2. • 更多解釋

   secondary structure

   • IPA[ˈsekənˌderē ˈstrək(t)SHər]

   • n.
     the local three-dimensional structure of sheets, helices, or other forms adopted by a ...

   Oxford American Dictionary