Compared with dry friction clutch, magnetorheological fluids clutch has little wear, small heat, long life, petty control current and easy controlled characteristic.

与干粉离合器相比，磁流变材料离合器磨损少、发热小、寿命长、控制电流小且易于控制。

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One is the current signal model with bore cutting condition, and the another is the model of tool wear with cutting conditions and time.

第一种是基于电流信号的刀具磨损模型，第二种是直接基于刀具磨损量的模型，这两种模型均滤除了切削条件的影响。

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The brush will produce abnormal wear with the appearing of the electric spark when overload current passes.

当负载电流过大时还有可能产生电火花而引起异常磨损。

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Many of the current lamp posts are made of concrete and are showing signs of wear, with some at danger of collapse.

BBC: Energy saving hope for new street lights

WD's hybrid technology works in conjunction with the PC operating system to deliver higher performance than current hybrid offerings while minimizing NAND wear to allow the use of less expensive MLC NAND.

ENGADGET: Western Digital builds 5mm-thick hybrid hard drive, Ultrabook makers sign on early