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目前,日本主要致力于光纤和GaAs大规模集成电路等关键技术的开发研究。结果,一系列创新的电信产品和系统相继问世。
At present, Japan is mainly devoted to the research and development of key technologies such as optical fiber and GaAs LSIs. As a result, a series of innovative telecom products and systems have emerged.