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本文导出了双参数曲面族用参数形式表示时包络面的计算公式。还给出了把斜轧辊面当作双参数球面族的包络面时,求解辊形曲线的图解解析方法。
In this paper, we derive the formula of the envelope when the two-parameter surface family is represented by parameters. The graphical analysis method for solving the roll-shaped curve is also given when the inclined roll surface is taken as the envelope of a two-parameter spherical family.