髙原期通常出现在操作技能练习过程中的（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32282' and id < 2569459 and id<>'2569459' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32282' and id > 2569459 and id<>'2569459' order by id asc limit 5