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刻度尺的正确使用方法一看:看量程、看分度值、看零刻度线的位置;二放:刻度尺的零刻度线(或某一整数刻度线)对准被测物体的一端,且要紧贴被测物体;三读:读数时视线要正对刻度线,并与尺面刻度垂直,且要估测到分度值的下一位;四记:记录测量结果时要有准确值、估读值和单位。游券 F5※ F6 F7F891011F12%&*()567890 TY U I O P
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