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单词
pentagonal number
释义
pentagonal number
简明释义
五边形数:一种数学概念,表示由五边形排列的点所组成的图形中的点数。五边形数的通项公式为Pn = n(3n - 1)/2,其中n为正整数。
网络释义
短语
1
pentagonal number theorem
五边形数定理
2
Pentagonal pyramidal number
五角锥数
随便看
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phase change memory
phase changement
phase change optical disk
phase change over switch
phase change-over switch
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更新时间:2025/1/27 5:57:50