灯丝在电灯中电加时成白炽状态。A fine wire is heated electrically to incandescence in an electric lamp.电子显微镜中的电子源,是一加热的灯丝.The source of electrons in an electron microscope is a heated filament.电子从热灯丝逸出,叫做热电子发射.The liberation of electron...
A frown is often an intimation of disapproval.皱眉头常常表示不赞许.I did not have any intimation that he was going to resign.我一点儿都不知道他要辞职。This intimation seemed to compose in some degree the vehement passion of the old hag.这番交代似乎使...
Erasmus, his chief bookkeeper , waited uncertainly just beyond the entryway.他的总管伊拉玛正在入口通道内不安地等著他.Erasmus . Julius Excluded From Heaven ( all ) ( CR ).伊拉斯谟斯,《尤利乌斯遭拒于天国门外》 ( 全部 ) ( CR ).None is of freedom or of life deserv...
Abstract: The kinds, structures and catalytic properties of polymer metal catalyst for hydrosilation were reviewed.文摘: 综述了硅氢加成反应中高分子金属催化剂的种类 、 结构及其催化性能....