在简谱中，减时线越多，音的时值就越短。如八分音符下加两条减时线为(

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31702' and id < 2538001 and id<>'2538001' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31702' and id > 2538001 and id<>'2538001' order by id asc limit 5