电磁波是由一种称为速调管的微波电子管产生的.The electronmagnetic wave is produced by microwave tubes called klystrons.讨论了多注速调管技术的发展趋势和应用范围.The trend and further application of MBK technology are also discussed.回旋速调管放大器是一种具有重要发展前景的高功率相干毫米波源.Gy...
Do we really want a return to an antiquated system of privilege and elitism?我们真的想回归到一种特权和精英政治的过时制度中吗？The elitism was blatant.精英统治丝毫不加掩饰。It became difficult to promote excellence without being accused of elitism.提倡追求杰出难免被...
Someone had hollowed out a large block of stone.有人把一大块石头给凿空了。Her cheeks hollowed as she drew smoke into her lungs.当她把烟吸进肺里时，她的双颊瘪了下去。His face was hollowed out to the point of emaciation.他的脸瘦削到了憔悴的地步....
There is a credibility gap developing between employers and employees.雇主和雇员之间出现了信任危机。The emphasis is on developing fitness through exercises and training.重点在于通过锻炼促进健康。The aircraft made an unscheduled landing after develo...