Development of such distributed feedback heterostructure lasers requires crystal growth on corrugated layers.研制这种分布反馈双异质结构激光器要求在皱折层上生长出单晶层.We produce metal plates and corrugated sheets in different thicknesses.我们生产不同厚度的金...
Darby was looking for a way to improve iron when he hit upon the idea of smelting it with coke instead of charcoal.达比一直在寻找改善铁质的方法，他猛然想到可以不用木炭熔炼，而改用焦炭。That morning we fired our first kiln of charcoal.那天上午，我们烧了我们的第一窑木炭。Chu...
The decline in marriage has been offset by a rise in cohabitation.结婚人数的减少由于同居人数的增加而得以弥补。Prices have risen in order to offset the increased cost of materials.为补偿原料成本的增加而提高了价格。The slowdown in domestic demand was offset by ...
The group dissolved in dissension.那个团体因内部不和而解散.His words caused a great deal of dissension among his followers.他的话在他的追随者之间引起了激烈争吵.It was hobbled first by incompetence and internal dissension.开始时,它由于无能和内部纠纷而行动缓慢....