Carbon Group (Carbon, Silicon, Germanium, Tin, Lead).
碳族(碳，硅，锗，锡，铅)。
It s also the first germanium laser to operate at room temperature.
这同样也是第一速在室温下得到控制的锗激光。
Until today germanium is the present substance on earth with no exception.
直至今天锗才毫无异议地成为地球上是纯净的物质。
Also, silicon is a very common chemical element, whereas germanium is relatively rare.
除此之外，相对于含量稀少的锗元素，硅是相当普遍的化学元素。
The separation and enrichment of trace tin and trace germanium was researched in this paper.
本文主要阐述的是微量锡与微量锗分离与富集的研究。
The reason of the slow development of germanium production and application has been analysed.
分析了锗产量增长速度不快的原因和当前应用领域现状。
The reason of the slow development of germanium production and application has been analysed.
分析了锗产量增长速度不快的原因和当前应用领域现状。
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