| 单词 | geometric progression |
| 释义 | geometric progressionBrE /dʒiːəˌmetrɪk prəˈɡreʃn/ NAmE /dʒiːəˌmetrɪk prəˈɡreʃn/ (also geoˌmetric ˈseries ) noun a series of numbers in which each is multiplied or divided by a fixed number to produce the next , for example 1 , 3 , 9 , 27 , 81 几何数列；等比数列 ➡ compare arithmetic progression |
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