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词汇
triangular numbers
释义
triangular numbers
n. pl.
(复数名词
plural noun
)
【数】
三角形数(正三角形内排列的数,即以自然数为项的串行直至第 n 项的和: 1,3,6,10,15,…)
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populace
popular
popular edition
popular election
popular etymology
popular front
popularist
popularity
popularize
Popular Latin
popularly
popular music
popular song
popular sovereignty
popular vote
populate
population
population biology
population density
population explosion
population genetics
population inversion
population parameter
population pyramid
populism
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更新时间:2025/7/25 15:16:09