表明钢材在静荷载下的塑性变形能力的指标有（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29454' and id < 2397780 and id<>'2397780' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29454' and id > 2397780 and id<>'2397780' order by id asc limit 5