单词	外绒膜
释义	外绒膜ectochorium
随便看	optical character redader (ocr) optical character redader {=ocr} optical character scanner optical character scanner，ocs optical character technology optical character viewer optical character viewer (ocv) optical character viewer{=ocv} optical chip optical chopper optical circuit optical circuit and sensor optical circulators optical clear adhesive optical clinometer optical clock distribution optical clock extraction optical clock recovery optical coating optical coating and filter optical code optical code conversion optical code-division multiaccess optical code division multiple access optical code division multiple access network