There are three major advantagesof the design, viz / namely cheapness, simplicity and availability.这种设计有叁大优点, 即价廉 、 简便、实用.Cheapness is one of the main attractions of polyester resins.廉价是聚酯树脂受到欢迎的主要原因之一.The cheapness of c...
宝丽来胶卷感光性非常强。Polaroid film is very sensitive.这片子已经感光.This film has been exposed.眼是复杂而且高度精密的感光器官.The eye is a complex and highly developed photosensitive organ....
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...