但是半导体的主要成分是硅，一种地球上含量第二丰富的元素。
But the major ingredient of semiconductors is silicon, the second most abundant element on earth.
但是，半导体的主要成份硅，是地球上第二大丰富的元素。
But the major ingredient of semiconductors is silicon, the second abundant element on earth.
第一步策略是一个在芯片产业上普遍使用的技术，叫做“掺杂”，就是在半导体晶体中加入其它元素的原子。
Their first strategy is a technique, common in chip manufacturing, called doping, in which atoms of some other element are added to a semiconductor crystal.
现有的激光器使用的介质有，掺杂有稀土元素的晶体、特定比例的气体，甚至是某些特定半导体。
Existing lasers use media ranging from crystals doped with rare-earth elements to specific mixtures of gas and even certain sorts of semiconductors.
镓砷化物，硅，和锗元素都属于半导体，而如今半导体在所有的现代电子元件中都会用到。
Gallium arsenide, silicon, and germanium are all examples of semiconductors, the type of material used in virtually all modern electronics.
受主原子必须比半导体元素少一价电子。
The acceptor atoms are required to have one less valence electron than the semiconductor.
受主原子必须比半导体元素少一价电子。
The acceptor atoms are required to have one less valence electron than the semiconductor.
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