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| 释义 | pdf /piː diːef/ (also pdf file) abbreviation (it 信息技术) portable document format (used as a countable noun 用作可数名词) a type of computer file that can contain words or pictures. it can be read using any system, can be sent from one computer to another, and will look the same on any computer 可移植文档格式◆i'll send it to you as a pdf. 我将以可移植文档格式把它发给你。☞ pdf |
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