Aim of today's presentation ▣To help you to make effective presentations College of Materials Science and Engineering. 6 BUCT PDF文件使用"pdfFactory Pro'”试用版本创建ww,fineprint.com,cn College of Materials Science and Engineering, BUCT 15 Aim of today’s presentation nTo help you to make effective presentations PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.com.cn