exa是什么意思

n.
千兆兆，艾（克沙）（等于10的15次方），穰（等于10的18次方）

相关问题

exa的音标？

exa的音标：exa的英式发音音标为：['eksə]exa的美式发音音标为：['eksə]...
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exa造句

The corrosion product was exa - mined by means of SEM, EMP and X - ray diffraction.用SEM, EMP和 X 射线衍射分析腐蚀产物.Objectives To study the method of mark exa mination with moving - light - configuration and to solve practical pr...
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