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.Apart from selenium and vapour - deposited germanium and silicon, glasses are at least diatomic.除了硒和汽相沉积的锗和硅之外, 玻璃至少是二原子的.D...
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.Doped silicon and germanium are technologically the most important types of semiconducting material.添加硅和锗在工艺上是半导体物质中最重要的类型....