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...
Bob : Its proration are exploiting and selling petroleum and producing chemical products.它的业务主要是石油的开采、销售以及相关化工产品的生产.It is estimated that 60,000 shops open every Sunday and trade by exploiting some loophole in the law to ...
She couldn't face the future and gassed herself.她对未来感到绝望而用煤气自杀了。The racing driver gassed his car in less than two minutes.赛车司机不到两分钟就给汽车加好了油.He was badly gassed in the war.他在战争中深受毒气伤害.The enemy gassed the room.敌人给这房间...
休尖叫起来，声音不大，吃惊多于恐惧。Sue screamed, not loudly, more in surprise than terror.她惊慌失措，开始向我大声尖叫。She lost her head and started screaming at me.他的嘴微微张开,似乎是要开始尖叫.His mouth was a little open, as if he'd started to scream....
这家航空公司还未获得飞越坦桑尼亚领空的许可。Permission has not yet been granted for the airline to overfly Tanzania.飞机飞离了英国领空。The plane left British airspace.各国对未经授权的飞越领空行为都会作出激烈反应。Nations react strongly to unauthorized overflights....