James D. Watson and Francis Crick described this structure as a double helix with a radius of 10 Å and pitch of 34 Å, making one complete turn about its axis every 10 bp of sequence.
詹姆斯·D·沃森和弗朗西斯·克里克将这种结构描述为半径为10Å且间距为34Å的双螺旋，每隔10 bp序列绕其轴旋转一圈。