light pen

常见例句

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。
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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