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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The 1, 172-meter-long and 30.35-meter-wide main section of the bridge features a two-way six-lane motor traffic with a two-meter-wide sidewalk flanked on each side.

大桥全长 1,172 米，桥宽 30.35 米，桥上设有双向六车道，两边还各有一 条宽两米的人行道。

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Digital ampere meter showing load in percent of Max load of drive motor.

数字电流表以最大载荷百分比的方式显示了实际载荷的大小。

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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