一、前言本學報第一卷第一期,發表了蔡方蔭先生一篇內容非常豐富的巨作“剛構常數與剛構分析”。他將几十年以來國內外各學者在這方面的成就,作全面系統而且相互貫通的叙述,這使我們得到很大的啟發。由於蔡先生的比較,我們更能容易 I. Preface The first volume of the first volume of this journal, published a very rich content of Mr. Cai Fangyin “rigid frame constants and rigid frame analysis.” He made systematic and inter-related narration of achievements made by scholars all over the world for decades in this field, which gives us great inspiration. Because of Mr Tsai’s comparison, we are easier