动名词短语在下面句子中的作用?
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动名词短语在下面句子中的作用?
we measure the zero-crossing times of the Manchester encoded signal using a comparator at Vcc/2 (后面的这个动名词短语在这里起到了什么作用呢?)driving the input line of a timer capture unit sensitive on both rising and falling edges.
we measure the zero-crossing times of the Manchester encoded signal using a comparator at Vcc/2 (后面的这个动名词短语在这里起到了什么作用呢?)driving the input line of a timer capture unit sensitive on both rising and falling edges.
![动名词短语在下面句子中的作用?](/uploads/image/z/5302734-6-4.jpg?t=%E5%8A%A8%E5%90%8D%E8%AF%8D%E7%9F%AD%E8%AF%AD%E5%9C%A8%E4%B8%8B%E9%9D%A2%E5%8F%A5%E5%AD%90%E4%B8%AD%E7%9A%84%E4%BD%9C%E7%94%A8%3F)
at Vcc/2 that/which drives the input line of a.省略定语从句主语故用driving做定语