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optoisolator [ˌɒptəʊ'aɪsəleɪtə, ˌɑːptoʊ'aɪsəleɪt̬ər] n
gen. 光绝缘体包括光敏感元件的耦合装置
IT 光隔离器
mil., air.def. 光绝缘体

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