The drawing experimental results show that the draw ability of cast-rolled strip under composite energy field was obviously better than the general one, and the earing ratio was only 1.7%.
冲杯实验结果表明：复合能场铸轧板的深冲性能明显优于普通铝板，其制耳率仅为1.7%。
Asuming that the contributions of each earing to the earing ratio is different, and the relative heights are used as weight coefficients, a new calculation formula for earing ratio has been derived.
由此提出新的设想：每个制耳对平均制耳率的贡献是不一样的，并以制耳的相对高度作为加权系数，从而推导出新的平均制耳率计算公式。
Assuming that the contributions of each earing to the earing ratio is different, and the relative heights are used as weight coefficients, a new calculation formula for earing ratio has been derived.
由此提出新的设想：每个制耳对平均制耳率的贡献是不一样的，并以制耳的相对高度作为加权系数，从而推导出新的平均制耳率计算公式。
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