Today the city government has taken measures to prevent a repetition of last year's confrontation. [+ of]

今天市政府已经采取措施，防止去年的冲突重演。

Collins wants to avoid repetition of the confusion that followed the discovery in 1989 of the cystic fibrosis gene.

科林斯想要避免1989年发现囊肿性纤维化致病基因后的那种混乱局面再次出现。

He could also have cut out much of the repetition and thus saved many pages.

他原本也可以砍去许多重复的内容，从而缩减许多页。