2008年8月18日

MBA

摘要： Business schools or MBA programs may be accredited by external bodies which provide students and employers with an independent view of their quality, and indicate that the school's educational cur... 阅读全文

posted @ 2008-08-18 13:53 心扬 阅读(1095) 评论(1) 推荐(0)

DNA

摘要： DNA is a long polymer made from repeating units called nucleotides.[1][2] The DNA chain is 22 to 26 Ångströms wide (2.2 to 2.6 nanometres), and one nucleotide unit is 3.3 Å (0.33 nm) long.[3] Although... 阅读全文

posted @ 2008-08-18 13:51 心扬 阅读(1261) 评论(0) 推荐(0)

导航