直到19实际60年代才有了改观，那时通用电气的一个研究员NickHolonyak第一次发现半导体可以发出红外线。
That changed in the early 1960s, when Nick Holonyak, a researcher at General Electric, first learned that semiconductors could generate infra-red light.
直到19实际60年代才有了改观，那时通用电气的一个研究员NickHolonyak第一次发现半导体可以发出红外线。
That changed in the early 1960s, when Nick Holonyak, a researcher at General Electric, first learned that semiconductors could generate infra-red light.
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