英语词汇“heliographs”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	heliographs
释义	heliographs ˈhiːlɪəɡræfs BNC²³⁶²¹³⁺¹ 基本例句 n.照相制版；太阳摄影机；日光仪heliograph的名词复数原型heliograph的复数 More recently, so-called “ heliographs” have been used to relay military signals in a similar way. 更近一点例子是，“日光反射信号器”一直通过类似的方式传递军事信号。 ecocn
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