exa-

短语

[医]艾（可萨）, 兆兆兆

释义与例句

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  1. 1.

    In the International System of Units and other metric systems of units, multiplying the unit to which it is attached by 10¹⁸ (a short scale quintillion or long scale trillion).

    艾-

    艾可萨-

词源

From Ancient Greek ἕξ (héx, “six”), for the sixth order of 10³, analogous to tera-.

来源：wiktionary