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新编中学物理教学大纲(征求意见稿)中明确指出:“物理是一门实验科学,……学生实验一定要做好。学生应该掌握的实验技能,主要是学会正确使用仪器进行观察、量度和读数,会分析数据并得出正确的结论,了解误差的概念,并学会初步的误差计算,会写简要的实验报告。”本文拟根据新大纲的规定,联系中学物理实际对误差和有效数字作一些粗浅的讨论。
The new middle school physics syllabus (draft for comment) clearly states: “Physics is an experimental science, ... student experiments must be done well. Students should master the experimental skills, mainly to learn to use the instrument correctly to observe and measure And readings, will analyze the data and draw the correct conclusions, understand the concept of error, and learn preliminary error calculations, will write a brief experimental report.” "This article plans to contact the physical physics of the secondary school in accordance with the provisions of the new outline of the error and effective The figures make some superficial discussions.