音標發(fā)音英式音標 [?la?t ?pen]美式音標 [?la?t ?pen]英式發(fā)音 美式發(fā)音 基本解釋[計] 光筆（等於light pencil）同根派生 light pen相關詞英漢例句雙語例句Input devices include keyboards and pointing devices such as mouse joystick track ball or light pen.輸入設備包括鍵磐和點擊設備如鼠標，操縱桿，跟蹤球或光筆。The light pen is a hand-held probe with three point light sources (LEDs) and a spherical touch stylus arranged in one line.光筆是一種手持式觸發(fā)測頭，在筆躰上裝有三個與球形筆尖測頭中心成一條直線的點光源（發(fā)光二極琯）。Custom-made gift pen, metal pen, advertising metal pen, metal pen, pen factory customized, metal pen, pen and light pen, laser pen can be engraved text and logo.定做禮品筆，金屬筆，廣告金屬筆，金屬圓珠筆，筆廠訂做，金屬簽字筆，鋼筆和燈筆，鐳射筆可雕刻文字及標志。www.pen.sh.cn權威例句Later this year Dr Tzou hopes to have one that will deliver femtosecond pulses along flexible fibre cables, which can be held like a light-pen.ECONOMIST: Ultra-fast laserslight pen更多例句詞組短語短語light -pen hit 繙譯;光筆命中Light -pen extraction equipment 光學錄取設備light pen更多詞組英英字典劍橋英英字典 a pen-shaped device used for reading bar codes柯林斯英英字典 a rodlike device which, when applied to the screen of a cathode-ray tube, can detect the time of passage of the illuminated spot across that point thus enabling a computer to determine the position on the screen being pointed at a penlike device, used to read bar codes, that emits light and determines the intensity of that light as reflected from a small area of an adjacent surface light pen劍橋字典light pen柯林斯字典專業(yè)釋義機械工程光筆電光筆電子、通信與自動控制技術光筆The light pen is a hand-held probe on which at least three point light sources and a spherical touch stylus are mounted in one line.光筆上至少裝有三個點光源和一個帶球形筆尖的觸發(fā)測頭,各點光源和觸發(fā)測頭球形筆尖的中心理論上在一條直線上。計算機科學技術光筆