Fibonacci number
noun [ C ] mathematics specialized uk/fɪb.əˈnɑː.tʃi ˌnʌm.bər/ us/fɪb.əˈnɑː.tʃi ˌnʌm.bɚ/
斐波纳契数列
a number that is part of a series in which each number is the sum (= total when added together) of the two numbers that come before it in the series, for example 0, 1, 1, 2, 3, 5, 8 ...
The fruit of a pineapple is arranged in two interlocking helices, eight in one direction, thirteen in the other, each being a Fibonacci number. 菠萝的果实上排列着互相连接的螺旋形,8个螺旋朝向一个方向,十三个螺旋朝向另一个方向,每个都符合斐波纳契数列。
Changes in trends very often correspond with Fibonacci numbers. 趋势的变化往往与斐波纳契数列相对应。
- More examples
- The progressions of Fibonacci numbers are commonly found in the growth rates and structures of nature.
- What was curious was that the Fibonacci numbers cropped up all over the place in the botanical world - for instance, when you count the numbers of petals on flowers, or the spirals in which the seeds arrange themselves in the flower-head.