当市场利率低于债券票面利率时，债券的价格（）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30638' and id < 2471503 and id<>'2471503' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30638' and id > 2471503 and id<>'2471503' order by id asc limit 5