面向对象型的编程语言具有数据抽象、信息隐蔽、消息传递的（）等特征。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30251' and id < 2447280 and id<>'2447280' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30251' and id > 2447280 and id<>'2447280' order by id asc limit 5