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初中物理秒表如何读数
更新时间: 2020-10-03 00:00:00  

初中物理秒表读数步骤如下

第一步是看小表盘,读出整数分钟数。第二步是看小表盘,看分针有无超过下一分钟的半格,超过半格,读数加上30秒。第三步是看大表盘,读出秒针所指的示数。第四步是将所读出的数据相加,即可得出正确数值。

关键词: 初中 物理 秒表 如何 读数

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