单词 | optical communication |
释义 | optical communication [`äp·tǝ·kǝl kǝ´myü·nǝ`kā·shǝn] COMMUNICATIONS The use of electromagnetic waves in the region of the spectrum near visible light for the transmission of signals representing speech, pictures, data pulses, or other information, usually in the form of a laser beam modulated by the information signal. |
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