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geometric progression

/ˌdʒiːəˈmetrɪk prəˈɡreʃən/

翻译: 一个数列,其中每一项都由前一项乘以一个固定的非零常数得到,这个常数称为公比。

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phrase

/ˌdʒiːəˈmetrɪk prəˈɡreʃən/C1formalscientific
  • zh一个数列,其中每一项都由前一项乘以一个固定的非零常数得到,这个常数称为公比。
  1. Mathematical sequenceB2formal

    A sequence of numbers where each term after the first is found by multiplying the previous term by a fixed, non-zero number called the common ratio.

    zh等比数列

    • The sequence 2, 4, 8, 16 is a geometric progression with a common ratio of 2.
    • In a geometric progression, the terms increase or decrease exponentially.
    • The sum of a geometric progression can be calculated using a specific formula.