HomeDictionary等比级数等比级数Wordgeometric series (such as 1+2+4+8+...)Traditional等比級數Copy wordděng bǐ jí shùdeng3bi3ji2shu4Hear itMeaninggeometric series (such as 1+2+4+8+...) CC-CEDICTCharacters in 等比级数等děng比bǐ级jí数shù