根据功角失稳的原因和发展过程，功角稳定可分为(    )

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69461' and id < 4498400 and id<>'4498400' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69461' and id > 4498400 and id<>'4498400' order by id asc limit 5