名词
中文翻译：等比级数同义词
同义词：
['arithmetic progression', 'geometric progression']
例句：
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1. The sequence of numbers in the series is an arithmetic progression.
这个数列中的数字是算术级数。
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2. The growth pattern of the population is a geometric progression.
人口增长模式是几何级数。
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3. In mathematics, the sum of an arithmetic progression is calculated using the formula for the sum of the first n terms of an arithmetic sequence.
在数学中，等差数列的和可以通过计算首项到第n项之和的公式来计算。