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单词 exa
释义

exa-

combining form
/eksə/
/eksə/
(specialist)
  1. (in units of measurement) 1018
    • exajoule百亿亿焦耳
    Word Originfrom (h)exa- from Greek hex ‘six’, based on the supposed analogy of tera- and tetra-.
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更新时间:2026/3/9 17:19:26