petagram

名词 n.
中文释义

英文释义

名词 n.
  1. An SI unit of mass equal to 10¹⁵ grams. Symbol: Pg
  2. An SI unit of mass equal to 10¹⁵ grams. Symbol: Pg Sometimes used in Carbon Dioxide numbers, it is equivalent to Metric Gigatons (Giga) 10⁹ x (Ton) 10³ x (kg) 10³ = 10¹⁵; Sometimes used in Carbon Dioxide numbers, it is equivalent to Metric Gigatons (Giga) 10⁹ x (Ton) 10³ x (kg) 10³ = 10¹⁵

词形变化

petagrams plural petagramme alternative,UK

词源

Etymology tree
English peta-
English gram
English petagram
From peta- + gram.
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