The experiment results show that the cold rolling reduction ratio has obvious influence on r-value of low-carbon aluminium-killed steel, but it has little influence on mechanical property and n-value.
结果表明，冷轧压下率对低碳铝镇静钢常规力学性能及n值无明显影响，而对r值有明显影响。
参考来源 - 压下率对冷轧深冲板性能的影响 The effect of cold rolling reduction on properties of deep stamping cold rolled sheetAlso, the relation between reduction ratio and depth of field is analysed, and how to lengthen the depth of field and improve the system is discussed.
研究了放大率与景深的关系,讨论了提高景深、改善系统的方案。
参考来源 - 牙医专用变焦系统和背投光学系统的设计与研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The rational gap length reduced the volume of adhesive effectively and the highest reduction ratio was 60%.
合理的间隙长度可以有效地减少胶粘剂的用量，减少率最大可达60%；
Especially it is suitable for being used in all kinds of equipments required high power and big reduction ratio.
因此，这种传动装置特别适合应用于各种需要大减速比和传递大功率的装备之中。
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