观察肾中精气盛衰的主要标志是（ ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='25605' and id < 2154640 and id<>'2154640' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25605' and id > 2154640 and id<>'2154640' order by id asc limit 5