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工作学习 / IT技术讨论 / two questions: IT certification test 每门多少钱？ 如何修改PDFfiles? [details inside]i have an Acrobat (not reader), and a PDF file, but why can it not be modified? (others can be)
-jps(蚂蚁雄兵);
2003-2-7
{95}
(#1026103@0)
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有的PDF在制作的时候已经上锁了，
-tztz(tztz);
2003-2-7
(#1026433@0)
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i knew,i have a reading key,but i wanna change something, how?
-jps(蚂蚁雄兵);
2003-2-7
(#1026535@0)
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give the author a call, get the key from her.
-hairypotter(HP);
2003-2-8
(#1029538@0)