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本文论述了首末两轮旋转方向的判定和传动比的计算和应用。通过图示定轴轮系,要求学生学会使用箭头标注法,从而培养学生分析定轴轮系的能力以及具备有关方向的判定和传动比的计算能力。
This paper discusses the first two rounds of rotation direction of the decision and the transmission ratio of the calculation and application. Determine the axis through the wheel system, require students to learn to use the arrow tagging method, thus training students to analyze the ability of fixed-axis gear train and have the direction of the decision and transmission ratio calculation ability.