The humidity could change in the room and that could change the friction coefficient.
室内的湿度会随时变化,这对摩擦系数影响很大。
This is a way that you can measure the static friction coefficient.
这是测量静摩擦，系数的一种方法。
I told you that the friction coefficient is independent of the mass of the object.
我讲过，摩擦系数，与物体质量无关。
The coefficient of friction for that same tire in mud would be almost zero.
同样的轮胎在泥泞的地面上，其摩擦系数可能几乎为零。
With special raw material (raw rubber bearing) and small friction coefficient; electricity -saving.
含特殊原料原橡胶轴承，摩擦系数小，更省电。
How much is the coefficient of friction between the tire and ground?
轮胎与地面间的摩擦系数是多少呢？
The friction coefficient has little effect on deformation behavior and mechanical behavior.
摩擦系数对材料的变形行为及力学行为影响较小。
The friction coefficient has little effect on deformation behavior and mechanical behavior.
摩擦系数对材料的变形行为及力学行为影响较小。
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