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词汇 peta-
释义 peta-pref.(前缀)
  1. One quadrillion (1015): 拍它,10的15次幂:petahertz.拍它赫兹
Etymology语源
  1. Alteration of penta- [from its representing the fifth power of a thousand] Alteration of penta- [from its representing the fifth power of a thousand]
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