At present there exist two kinds of manufacturing met hods for silicon-based lasers,i.e.,heteroepitaxy and bonding.
目前制作硅基激光器的方法主要分为
,
质结外延生长和
质材料键合。
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They dove into 275 years' worth of research — combing through scientists' observational journals, reading historical texts, and even reaching out to the broader scientific community to see if anyone knew anything about records of abnormal worms.
他们钻研了275年
研究资料——梳理了科学家们
观察日记,阅读了历史文本甚至接触了更

科学团体,询问是否有人知
关于反常虫子
任何记录。