讨论了一种用于电子显微镜系统的发叉形Y2O3阴极的制备工艺及主要性能测试结果.This paper introduces a hairpin Y 2 O 3 cathode used for electronic microscope systems.我想是阴极的材料和生产流程制造了大部分的区别.Isuspect the cathode material and processing makes the biggestdifferenc...
Det Supt Bassett was in charge of the murder enquiry.探长巴西特负责调查该谋杀案。Lens stereoscopes are practical for field use or for observing magnified det ails.透镜式立体镜适合于野外使用或者观察放大的细部.CONCLUSION: The increased DET and lengthened ERP...
Brian pulled the straps through the buckles of his suitcase.布赖恩将带子穿过自己手提箱的带扣。She gazed proudly at the shiny buckles on her shoes.她骄傲地注视着鞋上闪亮的扣环.When the plate becomes unstable, it buckles laterally.当板失去稳定时, 就发生横向屈曲....
The bartender had a florid face and a receding hairline.酒吧男招待面色红润，前额有点脱发。Jacobs was a stout, florid man.雅各布斯身材结实，脸色红润。Years of heavy drinking had given Alison a florid complexion.长期酗酒使艾莉森面色绯红....