该句的语法分析和which的作用,

In the case that a textual index points to the interior of a procedure body 条件状语
句子主体：the dynamic progress（主语）/ is only characterized/状语从句 when we also give /宾语从句to which call of the procedure we refer
宾语从句的正常语序应该是we refer to（这是个定语从句,修饰call of the procedure）/ which call of the procedure ,which是宾语从句的引导语,表示“某一种”具体是哪一种就是靠定语从句来定义的

which在这里是定语从句的先行词，在后面的句子中做refer to 的宾语。。。

In the case that (在···情况下，引导条件状语从句）a textual index points to the interior of a procedure body the dynamic progress is only characterized when we also give to which call of the procedure we refer（to wh...