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To satisfy the actual need for monitoring the pantograph slipper s abrasion,a test equipment based on ultrasonic measurement and TMS320LF2407A DSP chip is proposed. 针对受电弓滑板磨耗现场监测的需要,提出一种基于超声波测量及TMS320LF2407A型DSP芯片的试验装置,并讨论了该装置的工作原理,给出了其硬件系统及软件系统的设计。
The results shows that NPM's friction coefficient and abrasion volume are less than MZ100's, which means NPM's abrasion resistance is better than MZ100. 结果NPM的摩擦系数和磨损体积均小于MZ100,即NPM的耐磨性优于MZ100。
The rock was honeycombed with passages. 岩石上有许多蜂窝状的小孔。
Many young rock hounds grow up to be geologists. 许许多多爱好收集岩石的少年，长大后成了地质学家。
The climber had to negotiate a steep rock face. 那攀登者得攀越一陡峭岩石。
This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
The water had worn a channel in the rock. 水把岩石冲出了一条沟。
He dash the glass bowl to bit on a rock. 他对著石块把玻璃碗砸得粉碎。
The mountain rise up in a steep wall of rock. 这座山高而陡，形成一道岩石屏障。
They spend the winter(s) in a warmer climate. 他们在气候较暖的地方过冬。
The mountain rose up in a steep wall of rock. 这座山高而陡，形成一道岩石屏障。
Most plural nouns in English end in "s". 英语的复数名词多以“s”结尾。
The sweater had shrunk after repeated washing(s). 这件套头毛衣洗过多次已缩水了。
He chiseled that rock into the figure of a woman. 他把那块石头凿成一个女人像。
The boat was sundered by the rock. 船被岩石撞碎了。
Some old folk(s) have peculiar tastes. 有些老人有特殊的爱好。
Deep grooves channelled the soft rock. 在软岩石上形成许多深槽。
The mason was chipping away at the rock with a hammer. 石匠用锤子一点一点地把那块石头击碎。
Answer the following question(s). 回答下列问题。
She is crazy about rock and roll. 她喜欢摇滚乐。