allowedadj.允许的allow的过去式和过去分词.allowvt.允许；让某人得到；留出；同意（法律）vi.(for)考虑到；允许Allow duplicates to be created允许建立重复记录allowed the dollar to float.让美元浮动。Allowable value of crack width裂缝宽度容许值allows the supporting capacity容许承载力Allow form to create itself.第五步:允许形式自我创造*.allowable stress design method容许应力设计法allowable compressive stresses许用压缩应力Allow for unexpected things.定计划要留有余地，要考虑到意外发生的事情。allowable twisting unit stress容许单位扭转应力allowable angle of inclination[机] 最大倾斜角