Light pen: Light-sensitive stylus used to edit on a VDU (visual display unit).
光笔：在直观显示器上作编辑用的光敏尖笔。
This new method can simulate the process states of visual display unit in actual scene and would help designers improve the design level from static state up to dynamic simulative state.
仿真视觉显示器实际现场过程状态，将有助于设计者在设计时，由静态性设计提高到动态模拟性设计的水平。
Thus, the visual detection and global detection can be carried out by contacting the probe of the detection unit with the display panel to be detected for once.
因此，使探测单元的探针与待检测的显示面板接触一次，便可以执行视觉检测和总体测试。
Display unit: a visual means of showing characters; using a cathode ray tube, GAS discharge or other type of device.
显示器：一种视觉媒介，它用阴极射线、气体放电或其他装置来显现字符。
The invention provides a handheld phased array visual stethoscope, which comprises a sound pick-up, a display, and a central processing unit.
掌上相控阵可视听诊器，包括拾音器，用于采集声音信号并将声音信号转换成电信号；
The invention provides a handheld phased array visual stethoscope, which comprises a sound pick-up, a display, and a central processing unit.
掌上相控阵可视听诊器，包括拾音器，用于采集声音信号并将声音信号转换成电信号；
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