SSD建模时，C。nnectivityN。de对象的基本原则有（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29472' and id < 2398633 and id<>'2398633' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29472' and id > 2398633 and id<>'2398633' order by id asc limit 5