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过去测杨氏模量都是采用测弛垂度的方法。我们改用应变电阻丝法,易调节,重复性较好,所得实验结果与其他方法符合较好。
In the past, Young’s modulus was measured using the method of relaxation of the sag. We use the strain resistance wire method, easy to adjust, good repeatability, the experimental results obtained in line with other methods in good.