当一个网站或网路服务有以下三个特点的时候，最适合采用Ruby on Rails方案。
A website or web service is most appropriately implemented with Ruby on Rails when it has the following three characteristics.
周贻白的中国戏剧史著作有以下三个主要特点：第一、戏剧史的整体研究观念；
There are three main ideas in Zhou Yibai's works of Chinese opera history: Firstly, the whole research idea for the history of Chinese opera;
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