Fibonacci number

例句：

1. 1. The Fibonacci sequence is a series of numbers where each number is the sum of the two preceding ones.
   斐波那契数列是一系列数字，其中每个数字都是前两个数字的和。
2. 2. In mathematics, the Fibonacci sequence is used to model growth patterns in many fields, such as population growth and economic growth.
   在数学中，斐波那契数列被用来模拟许多领域的增长模式，如人口增长和经济增长。
3. 3.The Fibonacci sequence has been found to have interesting properties that can be applied to various fields.
   斐波那契数列被发现具有有趣的性质，可以应用于各个领域。