light pen

音标发音

• 英式音标 [ˈlaɪt ˌpen]
• 美式音标 [ˈlaɪt ˌpen]
• 英式发音
• 美式发音

基本解释

• [计] 光笔（等于light pencil）

同根派生

英汉例句

双语例句

• Input devices include keyboards and pointing devices such as mouse joystick track ball or light pen.
  输入设备包括键盘和点击设备如鼠标，操纵杆，跟踪球或光笔。
• The light pen is a hand-held probe with three point light sources (LEDs) and a spherical touch stylus arranged in one line.
  光笔是一种手持式触发测头，在笔体上装有三个与球形笔尖测头中心成一条直线的点光源（发光二极管）。
• 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.
  定做礼品笔，金属笔，广告金属笔，金属圆珠笔，笔厂订做，金属签字笔，钢笔和灯笔，镭射笔可雕刻文字及标志。
  www.pen.sh.cn

权威例句

• 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 lasers

词组短语

短语

• light -pen hit 翻译;光笔命中
• Light -pen extraction equipment 光学录取设备

英英字典

剑桥英英字典

• 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

专业释义

机械工程

• 光笔
• 电光笔

电子、通信与自动控制技术

• 光笔

  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.
  光笔上至少装有三个点光源和一个带球形笔尖的触发测头,各点光源和触发测头球形笔尖的中心理论上在一条直线上。

  计算机科学技术

• 光笔