Cr金属属于体心立方晶格，g-Fe属于面心立方晶格。 （ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24891' and id < 2124442 and id<>'2124442' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24891' and id > 2124442 and id<>'2124442' order by id asc limit 5