golden section
noun
- the division of a line so that the whole is to the greater part as that part is to the smaller part (i.e. in a ratio of 1 to ½ (√5 + 1) ) , a proportion which is considered to be particularly pleasing to the eye.黄金分割（指把一直线分成两部分, 使全部对于其中较长一部分的比例等于这部分对于较短部分的比例, 即1 比½(√5 + 1) 的比例, 这种比例被认为视觉效果最佳）。