这是定语从句吗,为什么可以省略which?And each of them wrote a paper relating to athletics and justice in the universities.为什么paper后面可以省略which,不是说which在定语从句忠做主语不能省略吗?这样不是有两个

这是定语从句吗,为什么可以省略which?And each of them wrote a paper relating to athletics and justice in the universities.为什么paper后面可以省略which,不是说which在定语从句忠做主语不能省略吗?这样不是有两个
这是定语从句吗,为什么可以省略which?
And each of them wrote a paper relating to athletics and justice in the universities.
为什么paper后面可以省略which,不是说which在定语从句忠做主语不能省略吗?这样不是有两个动词wrote 和 relating 还是说relating 不是动词?英文很烂求指教

这是定语从句吗,为什么可以省略which?And each of them wrote a paper relating to athletics and justice in the universities.为什么paper后面可以省略which,不是说which在定语从句忠做主语不能省略吗?这样不是有两个
relating to athletics and justice in the universities 这不是定语从句,而是现在分词作定语
可以改写成定语从句：which related to athletics and justice in the universities