商业银行通常设定贷款投放的行业比例，这种做法属于（）策略。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26423' and id < 2207678 and id<>'2207678' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26423' and id > 2207678 and id<>'2207678' order by id asc limit 5