geometric progression
geometric-progression的词性:
n.Mathematics (名词)【数学】
1. A sequence, such as the numbers 1, 3, 9, 27, 81, in which each term is multiplied by the same factor in order to obtain the following term.
几何级数,等比级数:一个数列,如数字1,3,9,27,81,其中每一项都被乘以相同的因数以得到后面一项