选用长TR ( > 1500nis)和长TE形成的 MRI图像称为（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25691' and id < 2159602 and id<>'2159602' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25691' and id > 2159602 and id<>'2159602' order by id asc limit 5