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词汇
harmonic progression
释义
harmonic progression
n.
Mathematics
(名词)【数学】
A sequence of quantities whose reciprocals form an arithmetic progression, such as 1, 1/3, 1/5, 1/7, . . . .
调和级数:其倒数形成代数级数的量的序列,例如1,1/3,1/5,1/7…
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D and C
dandelion
dandelion
dandelions
dander
dandered
dandering
danders
dandi
Dandie Dinmont
dandier
dandies
dandiest
dandified
dandifies
dandify
dandifying
dandis
dandle
dandle board
dandled
dandles
dandling
Dandong
dandruff
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更新时间:2026/4/6 1:18:17