The two places, he insists, are as different as chalk and cheese.他坚持说那两个地方有天壤之别。With a stick of chalk he wrote her order on a blackboard.他用一截粉笔将她的指示写在黑板上。the chalk cliffs of southern England英格兰南部的白垩质峭壁...
He saw a boy in fetters in the dungeons.他在地牢里看见一个戴着脚镣的男孩。...the fetters of social convention.社会习俗的约束No man loves his fetters,be they made of gold.即使是金子做的镣铐,也没人喜欢。No man loves his fetters, be they made of gold.[谚]金铸的脚镣, 也...
His visit and mine overlapped.他的访问期与我的访问期有几天重叠.Our visits to the town overlapped.我们彼此都恰巧到那小城观光.A fast method to segment overlapped objects is presented in this paper.对于工业和医学中常见的颗粒图像,提出了一种快速分割粘连颗粒的方法....
有两种面积缺陷,即孪生和晶粒间界.Two area defects are twins and grain boundaries.杂质常常在晶粒间界偏析.Impurities tend to segregate at grain boundaries.他们对最终组织 、 晶粒尺寸和合金性能都有较大的影响.They impinge on the final structure, grain size and properties of t...