得出了未溶铁素体含量的影响规律,弄清了未溶铁素体的作用机理.The effect laws of amount of undissolved ferrite has been gained.在拉应力作用下,塑性变形集中在铁素体区.Plastic deformation concentrates at the ferrite area under the tensile stresses.测量了标准图谱中铁素体晶粒度图形的分形维数.Fra...
Jim signaled his helplessness to Mary to leave the party.吉姆无法从宴会脱身时,他向玛丽使了个眼色,表示无可奈何.The incident left me with a sense of helplessness.这次事件使我产生一种无能为力,听天由命的感觉.A feeling of utter helplessness washed over him.一种全然无助的感觉涌上他的心...