pdf
abbr.
point detonating fuse 弹头信管;
弹头（引爆）引信;
probability density function 概率密度函数;
probability distribution function 概率分布函数;
例句:
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The leaflet is in PDF format.
宣传折页是PDF格式的。
来自柯林斯例句
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I'll send it to you as a PDF.
我会用PDF格式把它发给你。
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This file is on the PDF file format into WORD document format.
此文件是关于把PDF文件格式转换成WORD文件格式的.
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The research papers can be found below in PDF format.
来自BBC
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In the meantime, take a look at the PDF document below.
来自BBC
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I have downloaded the pdf info and will read it with great interest.
来自SA