定轴轮系的传动比计算除有数值大小外，还有符号问题。（  ）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='7808' and id < 619072 and id<>'619072' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='7808' and id > 619072 and id<>'619072' order by id asc limit 5