Impurity doped during epitaxy will diffuse in the epitaxial layer and even into the substrate.在半导体器件制造的外延工艺中,外延生长时通常要掺入杂质.A high Er ~ ( 3 + ) - doped narrow linewidth fiber laser based on fiber Bragg grating ( FBG ) Fabr...
Power shortages mean frequent blackouts.能源短缺意味着经常性的停电.Anti - chain over - load trip scheme is an important measure to prevent large scale blackouts.连锁过载跳闸是大停电事故的初期表现, 防 连锁过载跳闸是防止电网大面积停电的重要措施.Cascading trips caused by flo...
I think English men are very polite and very correct...我认为英国人很有礼貌，举止非常得体。I'm very conscious of my weight...我很在意自己的体重。We have a very communicative approach to teaching languages.我们在语言教学中非常强调交际教学法。Many of these cushio...
He was charged with conspiring to pervert the course of justice.他被控谋划妨碍司法公正。He charged into the crowd. "Break it up," he shouted.他冲进人群，大喊道：“散开。”At the police station, I was charged with assault.在警察局，我被指控殴打他人。...
Her dedication constantly astonishes me.她的奉献精神总是让我震惊。What Dame Tanni has to say on this point astonishes me.在这一点上,格雷-汤普森女士的话让我大为吃惊.It astonishes me that he could be so thoughtless.我真没料到他会如此轻率.That really astonishes me!委实...