当感受器受刺激时，刺激虽然在持续，但其传人冲动频率已开始下降的现象称为

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29016' and id < 2361131 and id<>'2361131' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29016' and id > 2361131 and id<>'2361131' order by id asc limit 5