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右物左码怎么计算质量
更新时间: 2020-10-31 00:00:00  

对于托盘天平来说,总存在关系式:m左盘内=m右盘内+游码对应值。当左码右物测量时,m左盘内=m砝码;m右盘内=m物,代入上式,得:m砝码=m物+游码对应值。

∴m物=m砝码-游码对应值<m砝码。这时:如果你以测量所得砝码值为依据,则物体的实际质量比起这一测专量属值(即砝码值)——“偏小”。如果你以物体真实质量为依据,则测量值(即砝码值)比起物体的实际质量——偏大。

关键词: 怎么 计算 质量

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