英语语法问题（非限制性定语从句及动名词相关问题，谢谢 ）

Question

For instance, 20 nm silver NPs exposed to LoVo cells were able to attack the interior of the cell directly, while the 100 nm NPs were unable to enter the cells, indicating their different cellular interactions.
可不可以改为
For instance, 20 nm silver NPs exposed to LoVo cells were able to attack the interior of the cell directly, while the 100 nm NPs were unable to enter the cells, which indicates their different cellular interactions.
如果可以，第二句中的which...是非限制性定语从句，which指代的是前面整个句子，那么第一句中的indicating....在整个句中是什么成份？是动名词作伴随状语吗？望大神指教，谢谢！

Answer 1

　　你改的非常正确！原句中indicating是现在分词作状语。这种现象在英语中非常常见，你以后留意一下。
　　下面内容摘自《高中英语语法通霸》中“长难句分析技巧”一章。
　　汉语是表意语言，按意思把句子堆砌起来即可；而英语是结构语言，要按照语法结构来组织语言。但是，当我们遇到复杂的状语时，我们又看到了英语也有靠语意来组织语言的一面。一般情况下，主动用现在分词，被动用过去分词。由于英语的状语类型繁多，有时要判断是什么状语就显得很困难。这时，我们就不要去考虑作什么状语，也没那个必要。我们暂且把这个问题“放”到一边，句子意思读懂就行。
　　1. You can imagine how fully occupied I became, raising four boys under the age of 8! 【2011天津/阅读B】
　　2. He began to jump up and down, as high as he could, at the top of each jump stretching his arms to get the apple. 【2011江苏/完形】
　　3. Kody gets so excited, writing to kids from all over. 【2010山东/阅读A】
　　4. Researchers began reporting the benefits of family dinner about a decade ago, focusing mainly on how it affects children. 【2010山东/阅读表达】