这种形式具有连接接触面积大，间隙小，单位面积压力小，抗水平扭矩能力强，接点稳定性强等特点。
This form has the characteristics of large connection contact area, small clearance, small unit area pressure, strong anti - horizontal torque ability and strong contact stability.
应用统计学方法对静态接触面积与动态摩擦力进行了相关分析，结果表明二者具有显著水平的线性相关关系。
Statistic method is used to analyze the correlation between static contact area and dynamic friction force. The results clarify that there is a linear correlation with significant level.
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