(1) 如为限制性的，多用于the same …as ; the same as;such …as …; as many/much as;so …as等结构中。如：
1. I have the same book as you (have). 我有一本和你的一样的书。
Her attitude to him was quite the same as it had always been. (关系代词as和指示代词same连用, 在从句中用作表语, 先行词是same.)
2.---Why didn't you mention that in face of the police just now?
--- I thought it was such a minor detail as was hardly worth mentioning.
We will only discuss such problems as have something to do with our own interests.