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分析探讨了位移控制法测K_R-△α的原理方法、误差估计等问题。并通过实测,提出了新的拟合式。指出了自动检测的必要和可能。
Analysis and discussion of displacement control method of measuring K_R- △ α principle and method, error estimation and other issues. And through the measurement, put forward a new fitting formula. Pointed out the need and possibility of automatic detection.