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1. The friction revolution counter is used to measure the amount of friction between two surfaces.
摩擦革命计数器用于测量两个表面之间的摩擦力。
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2. The friction revolution counter is a crucial tool in the study of materials science.
摩擦革命计数器是材料科学研究中的关键工具。
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3. The friction revolution counter was invented by a scientist who wanted to improve the accuracy ofhis measurements.
摩擦革命计数器是由一位科学家发明的，他想提高他测量的准确性。