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...
She was besieged by the press and the public.她被媒体和公众纠缠不休。The Afghan air force was using helicopters to supply the besieged town.阿富汗空军正用直升机向被围城镇提供补给。Paris was besieged for four months and forced to surrender.巴黎被围困了四个月后被迫投...
He's got this fixation with cleanliness.他有洁癖。Such a fixation with money can't be healthy.这般地迷恋钱财可能是病态的.The country's fixation on the war may delay a serious examination of domestic needs.该国对这场战争的执迷可能会令其不能及...
这些蕨类植物在湿热的环境中长得最旺。These ferns will grow best in a humid atmosphere.这种湿热的天气使人感到懒洋洋的.This humid heat makes you feel rather sluggish.短吻鳄产于美洲和中国的江湖及湿热地带.Alligator lives in the rivers and lakes in the hot wet parts of America...
Envying those flashy celebrities on the cover page of fashion magazines?您是否对杂志封面里风情万千的明星而艳羡不已?Moves the caret up one page, extending the selection.将插入符号向上移动一页, 扩展所选内容.Kitty's classmate Daniel taught himself how to m...