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单词
geometric mean
释义
geometric mean
n.
the central number in a geometric progression, also calculable as the nth root of a product of n numbers (as 9 from 3 and 27)
几何平均数,等比中项,等比中数
(
如
9
是
3
与
27
的中数
)
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更新时间:2026/8/1 15:27:00