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...
这是自1948年以来他首次回到自己的祖国。It was his first visit to his native country since 1948.他一直呆到1948年公司解散。He stayed on until the dissolution of the firm in 1948.她最后的一本书在她死后于1948年出版了.Her last book was published posthumously in 1948....
If you value your health then you'll start being a little kinder to yourself.如果你重视自己的健康，你就要开始对自己好一点。Both she and Yunlin are even, kinder to me than before.她和云霖待我更比以前亲热.You might find that a sympathetic approach elic...
Sedge grows in marshes or near water.芦苇生长在沼泽地带或水边.Jane grows up a tall woman.简长成一个高个子姑娘。As the population diversifies the number of consumers with specialized needs grows.由于人口多样化,需要特定商品的消费者也愈来愈多了.Plaque grows when bacter...