已知负反馈放大器的1 = 300，|FU|=0.01,则闭环电压增益丨^^应为（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30217' and id < 2444224 and id<>'2444224' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30217' and id > 2444224 and id<>'2444224' order by id asc limit 5