State the DFX of the SMT , DFM Conception and the key technologic points.本文阐述了表面贴装领域中的DFX思想 、 DFM概念和研究内容、DFM软件 系统架构及其实现的关键技术点.Just as in other industry, DFM of SMT is also very important.就如在其它行业中一样, DFM在表面贴装领域中也是同样适用并且非常...
With apologies to my old history teacher, who needs history lessons?这话对不住我亲爱的历史老师，不过有谁需要历史课呢？First off, huge apologies for last month's confusing report.首先,要对上个月那篇交代不清的报道表示深深的歉意.His mother offered her apologies to t...
There is a difference among genotype in ratio of ARS to WRS.有效吸收面积ARS与根系总表面积WRS的 比值具有品种间的差异.Firstly, a new attributes reduction strategy ( ARS ) is discussed.首先, 提出一种新型的属性约简策略ARS ( AttributesReductionStrategy ) .Ars - en...