请教一个英语句子分析:The vector of which the constructed vector is to
请教一个英语句子分析: The vector of which the constructed vector is to be a copy. 长久以来一直对 of which这种用法模模糊糊,长久以来一直困扰这我,请诸位赐教 上句的大概意思是:被创建的vector容器是the vector的一个copy 但是不懂of which 能把 of which用法解释清楚的 再追加50分