题目内容
合并单元的守时精度要求l0min小于( )。
2021-12-12
A.±4}is
B.±2ps
C.± ljis
D.± lms
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='29463' and id < 2399304 and id<>'2399304' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29463' and id > 2399304 and id<>'2399304' order by id asc limit 5