Furthermore, the ratio of helix of mutation increased by circular dichroism measurements.
通过圆二色谱测量，突变体的螺旋比例有所增加。
This paper simplifies the gear change calculation and machine adjustment in machining equiangular helix conical milling cutter with non-circular gear method.
本文着重介绍了用非圆齿轮法加工等螺旋角锥铣刀时，使挂轮计算和调整最简化的问题。
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