弦论和M理论导论 英文影印版 作者：贝克尔 著出版时间：2011年版内容简介　　String theory is one of the most exciting and challenging areas of modern theoretical physics. It was developed in the late 1960s for the purpose of de-scribing the strong nuclear force. Problems were encountered that prevented this program from attaining complete success. In particular， it w...