求翻译：2009年3月—2009年9月，担任班级团支书，组织过：“学雷锋精神，树时代新风”、纪念“918事变” 、“李建昌副教授‘留学专题讲座’”等活动。是什么意思？

March 2009 - Sept 2009, as a class group secretary, organized: "learning from Lei Feng spirit, a new era of wind tree" to commemorate the "918 Incident", "Associate Professor Jianchang 'study seminar'" and other activities.

正在翻译，请等待...

In March, 2009 - September, 2009, assumption class and grade group cell secretaries, have organized: “Studies the Lei Feng spirit, sets up the time new atmosphere”, the commemoration “918 emergencies”, “Li Jianchang Associate Professor `abroad study topic course'” and so on the activities.

March 2009, as a class League Secretary, organization: "learn from Lei Feng spirit tree fresh air of the times", Memorial "918 incident", "Associate Professor Li jianchang ' study abroad seminar '" and other activities.

March 2009 - Sept 2009, as a class group secretary, organized: "learning from Lei Feng spirit, a new era of wind tree" to commemorate the "918 Incident", "Associate Professor Jianchang 'study seminar'" and other activities.