buckle wave length 皱折波长
See the discussion on the cause center buckle and edge wave in the Significance of Accurate Level 2 Force Prediction section.
请参见二级系统准确预报轧制力的意义中引起中心扣和边缘波的讨论。
Provided that the buckle as the sine-wave, the shape tolerance can be deduced by using the power series expansion as well as the curve integration.
假定波浪为正弦波，利用曲线积分和幂级数展开推导出板形公差。
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