Theuseofadvancedtechniquesbyfarmerswhocouldaffordthemcouldraisetheirincomesthroughincreasedproductivityalthoughpriceswentdown.byfarmerswhocouldaffordthem在句中作什么成分,定语么?by此时的用法?这样，主语

Question

The use of advanced techniques by farmers who could afford them could raise their incomes through increased productivity although prices went down.
by farmers who could afford them 在句中作什么成分,定语么?by此时的用法?
这样，主语是farmers还是techinques The use of这短语怎么用？等同于techniques used by farmers who could afford them

Answer 1

源于be used by,此处use为名词,即the use by farmes who could afford them ,整个句话意思是,尽管物价降低,一些能够承担的农民通过使用先进技术的,提高产量,增加了收入.主语：能够承担的农民对于先进技术的使用