【摘要】 介绍了一款自主设计的、基于双光电门的集数值显示与数据存储功能于一体的智能卷尺。由此,在测量大量数据时可以将测量数据保存于SD卡中,无需再使用人工记录后手动录入电脑,使测量变得简单快捷。更多还原

【Abstract】 It mainly introduces a self designed intelligent line tape based on the numerical double optical switch set display and data storage functions in one.Thus,the measurement data are stored in the SD card in the measurement of large amount of data,without the need to use manual record after manual input computer,the measurement is simple and fast.更多还原