N a sequence of numbers, each of which differs from the succeeding one by a constant ratio, as 1, 2, 4, 8, … 等比数列 → compare arithmetic progression
Population is increasing in that country in a geometric progression.
那个国家的人口正以几何级数增长。
Partial geometric progression growth should be used in distributing the gearbox ratios.
采用偏置级数法来分配变速器各档速比。
Our energy requirements are going up in geometric progression even faster than our population.
我们对能量的需求以几何级数增长，比我们的人口还要快。
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