闰秒通常发生在北京时间（ ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='29463' and id < 2399329 and id<>'2399329' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29463' and id > 2399329 and id<>'2399329' order by id asc limit 5