在进行硝酸还原酶实验时，光对实验结果无影响。 (    )

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='2632' and id < 197741 and id<>'197741' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='2632' and id > 197741 and id<>'197741' order by id asc limit 5