这些设备是个人数据助理(PDA)、手持PC、无线笔记本电脑、蜂窝式移动电话(cell phone)、置顶盒(set - top box)、车辆内部的信息系统和用于普及计算的其他设备。

These devices can be PDAs, handheld PCs, wireless laptops, cell phones, set-top boxes, in-vehicle information systems, and other devices for pervasive computing.

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针对铁路车辆轮轴内部的缺陷，研究了一种轮轴超声波智能探伤系统。

An ultrasonic intellectual testing system is developed for testing internal flaw of railway vehicle axles.

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