短語詞組短語optical duobinary signal 光雙二進(jìn)制信號(hào)optical fiber signal 光纖信號(hào)optical intrinsic signal imaging 信號(hào)光學(xué)成像;內(nèi)源信號(hào)光學(xué)成像;光學(xué)信號(hào)成像optical pumping signal 光抽運(yùn)optical overhead signal 光開銷信號(hào)optical sensing signal detection 光傳感信號(hào)檢測(cè)optical transient signal 瞬態(tài)光信號(hào)abnormal optical pumping signal 異常光抽運(yùn)信號(hào)optical clock signal 光時(shí)鐘信號(hào) 返回 optical signal