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第一章 测量的初步知识 一、长度的测量 误差 1.细菌细胞的直径约为10~(-4)米,合____微米。世界上最大的蚂蚁长度约为3.7厘米,合_____米。 2.哪些物体的长度很接近1米,试写出几个实例:①_____;②_____;③_______。 3.某同学测得桌子的高度是0.832米,其中准确值是___米,估计值是____米,他所用的刻度尺的最小刻度是____。
Chapter 1 Preliminary Knowledge of Measurements 1. Measurement of Length Error 1. The diameter of the bacterial cells is approximately 10 to (-4) meters, which is equal to ____ microns. The largest ant in the world is about 3.7 cm in length, which is _____ meters. 2. Try to write a few examples of which objects are close to 1 meter in length: 1_____; 2_____; 3_______. 3. The height of a table measured by a classmate was 0.832 meters, where the exact value was ___ meters and the estimated value was ____ meters. The scale of the scale he used was ____.