接触面积是一个计算超过界限灰度值的象素总和。 物理意义 摩擦力大小和接触面积无关，和实际接触面积成正比，而实际接触面积又与压强成正比，所以固体物质不管横放竖放，对地实际接触面积都相等。
The process and principle of involute spline is analyzed,the unit average pressure contacting area,rolling billet diameter,rolling force and moment are solved.
分析渐开线花键冷滚压精密成形工艺过程及原理,对成形过程的单位平均压力、接触面积、滚压坯料直径、滚压力及滚压力矩等进行求解。
参考来源 - 渐开线花键冷滚压精密成形工艺分析及试验研究The analytical results indicate that structure parameters of the armature, such as thickness, width, skin and thigh, have considerable effect on the contact area, switching time and intensity of microrelay.
分析了不同活动衔铁结构对响应时间、接触面积、强度等方面的影响,对活动衔铁结构进行动态设计和仿真。
参考来源 - 微电磁继电器衔铁结构的动态结构设计和分析·2,447,543篇论文数据，部分数据来源于NoteExpress
对于干式开关，接触电阻与接触面积成反比关系。
For dry switches, the contact resistance is inversely related to the contact area.
一个固体作用在地面的压强等于它的重量除以接触面积。
A solid object exerts pressure on a floor equal to its weight divided by the area of contact.
与质量无关，还与面积无关,与接触面积无关这一点,也很不可思议。
It's also independent of the surface area that is in contact with this incline which is equally nonintuitive.
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