geometric series; geometric progression的用法和樣例：
例句
- Population can increase in a geometric ratio.
人口可以按幾何級數增長(cháng)。 - This dissertation studies the applications of the inversion techniques and its equivalent form in finding and proving the hypergeometric series identities.
本文探討了反演技術(shù)及其等價(jià)的形式在尋求和證明超幾何級數恒等式方面的應用。
