下列哪项能解释用电子显微镜观察不到细胞中的微体的原因？

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30528' and id < 2465220 and id<>'2465220' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30528' and id > 2465220 and id<>'2465220' order by id asc limit 5