document.write(""); document.write("
"); document.write(" [大学生物理学术竞赛]  "); document.write("
"); document.write("
"); document.write(" [大学生电子设计大赛]  "); document.write("
"); document.write("
"); document.write(" [大学生光电子设计大赛]  "); document.write("
");