%PDF-1.4 %???? 1 0 obj << /Title /Author (ljy) /Creator (pdfFactory Pro www.fineprint.cn) /Producer (pdfFactory Pro 3.50 \(Windows XP Professional Chinese\)) /CreationDate (D:20120929094610+08'00') >> endobj 4 0 obj << /Filter/FlateDecode /Length 51 >>stream H?+T031?35S0й