.只有当电流源电流大小相等且电流方向一致时，电流源才能并联。（   ）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69506' and id < 4502726 and id<>'4502726' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69506' and id > 4502726 and id<>'4502726' order by id asc limit 5