本文提出了一种基于图像分析技术的树木叶片面积计算方法。
This paper presents a method of calculating leaves area based on digital image processing technique.
根据新的斜角非自由切削模型，本文提出了新的剪切面积计算方法。
The paper proposes a new method for calculating shear plane area based upon a new oblique cutting model with double edge.
介绍了离心铸造磨球的工艺，以及转速、内浇口断面积计算方法和影响工艺过程的因素。
The technology of grinding ball by centrifugal casting, the rotational speed, the method for calculation of ingate area and factors influencing technological process were introduced.
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