眹师在开处方时所需考虑的原则是（    ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27502' and id < 2270143 and id<>'2270143' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27502' and id > 2270143 and id<>'2270143' order by id asc limit 5