非限制性定语从句还是地点状语从句

请老师帮忙确认一下,下面句子中where是非限制性定语从句?先行词是homes,还是systems?谢谢

Travelling around Thailand in the 1990s, William Janssen was impressed with the basic rooftop solar heating systems that were on many homes, where energy from the sun was absorbed by a plate and then used to heat water for domestic use. 

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最佳答案 2021-08-02 09:46

我理解是非限定性定语从句,先行词应该是 heating systems。

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  • 小呆 提出于 2021-07-28 14:19