Due to need for the development of portable motor meter assembly checking box, a kind of frequency signal generator is designed, detailed design principle and idea are discussed.

针对“便携式汽车仪表总成校验箱”系统的开发需要，设计了一种用于汽车电子转速表、里程表校验的频率信号发生器，论述了电路的设计原理和设计思想。

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Dr. James Friend, senior lecturer in the Department of Mechanical Engineering at Monash University in Australia, is developing a nanobot propelled by a tiny rotor motor measuring about five-millionths of a meter.

CNN: Nanobots get to the heart of the matter

Three 10-meter-long 1997 Terex TS14D motor scrapers -- machines that chew up roads for repaving -- roar past a crowd of 1, 200 in baseball caps and blue jeans at a recent Ritchie Bros. auction in Clinton, Wisconsin.

FORBES: Heavy metal

Despite her impressive dimensions, she is not officially the largest motor yacht in the world, a record held by the 160-meter (525ft) Dubai.

CNN: Al Salamah: The ultimate yacht