由于它相对于氟气更容易使用，NF 3在高能化学激光器中用作氟源。

NF3 is also used as a fluorine source in high energy chemical lasers, owing to its ease of use relative to fluorine gas.

youdao

They're pretty impressive looking. But they would be big, but still that would be a lot easier to transport and handle than a whole box or closet full of scrolls.

看起来觉得不可思议，它们虽然很厚，但它们仍然比较容易携带使用,相对于装满卷轴的箱子或书橱来说。

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