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1·The material cutability is described and evaluated with a target system and the fuzzy comprehensive evaluation method.

试图用指标体系来描述和评价材料的切削加工性。

2·The estimate method can be used in the pork production, which is especially suitable to the cutability estimation of the twowaycrossbred Jilin swine.

试验结果表明，该方法可以在实际生产中应用，适合对吉林二元杂交猪瘦肉率的估算。

3·The mechanical properties, structures, cutability and wear-resistance of full-bainite ductile iron obtained by using three kinds of isothermal quenching processes were investigated.

研究了由三种热处理工艺获得的全贝氏体等温淬火球铁的机械性能、组织状态及切削加工性能和耐磨性能。