原文由 无机麦地(shuiyang88) 发表:
about 误差
误差表明它的范围在10%以内
原文由 影子(hyheying) 发表:
If the measurement is stated to be “accurately measured” or “accurately weighed,” follow the statements in the general chapters Volumetric Apparatus <31> and Weights and Balances <41>, respectively.