The M1031-W also includes an integrated passive infrared sensor for motion detection, a white LED light, and two-way audio support with a built-in microphone and speaker.

M1031-W还包括一个适合移动侦测的集成被动红外传感器，白色LED灯，和支持内置麦克风和扬声器的双向音频。

youdao

The stability factors W of a self-synchronous vibrating machine, in space motion, are given by formula(21)and (54) as working with single mass and dual mass respectively.

自同步振动机的稳定性指数W，当振动机为空间单质体和空间双质体时其表达式分别为式（21）及式（54）。

youdao

Factory owners have been doing such things for survival ever since Frederick W. Taylor invented time-and-motion studies more than a century ago.

FORBES: Magazine Article

But new evidence in a court motion filed in January by Jay W. Eisenhofer, lawyer for Ohio pension plans, suggests Winnick may have played a much more active role in the problematic disclosures that helped Global look better than it was.

FORBES: Magazine Article