| 词汇 | geometric-progression |
| 释义 | geometric progression noun[ C or U ] mathematics specializeduk /ˌdʒiː.əˈmet.rɪk prəˈɡreʃ.ən/ us /ˌdʒiː.əˈmet.rɪk prəˈɡreʃ.ən/(alsogeometric sequence, uk /ˌdʒiː.əˈmet.rɪk ˈsiː.kwəns/ us /ˌdʒiː.əˈmet.rɪk ˈsiː.kwəns/); (also old-fashionedgeometrical progression, uk /ˌdʒiː.əˈmet.rɪ.kəl prəˈɡreʃ.ən/ us /ˌdʒiː.əˈmet.rɪ.kəl prəˈɡreʃ.ən/) an ordered set of numbers, where each number in turn is multiplied by a particular amount to produce the next, for example 2, 6, 18, 54 ... : 几何级数：从第一项开始，以后毎一项都是它前一项乘上一个固定数，如2, 6, 18, 54... Epidemics are an example of geometric progression: when a virus spreads through a population, it doubles and doubles again.流行病是几何级数的一个例子：病毒在人群中传播时，会成倍成倍地感染。 The terms 1,2,4,8 form a geometric sequence.1,2,4,8四个项构成一个几何序列。 Compare arithmetic progression In this view memes spread among consumers in a geometric progression. This chain model is based on the hope of financial gain resulting from a geometric progression of the number of people recruited. In a warm climate, bees flourish to such an extent that hives proliferate in geometric progression. The essence of his view was that a country's population had a tendency to grow in geometric progression over time. The population on the limited surface of this planet which bears us, is increasing in almost geometrical progression. Numerical relationships absolute difference absolute error absolute maximum absolute minimum arithmetic progression differential Fibonacci sequence golden mean golden ratio harmonic progression intersect iteration proportion proportional proportionally proportionately prorate prorated quantile subset |
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