The invention relates to a teaching aid for communication between teacher and students: hand-up device.

本发明涉及一种用于师生之间通信的教具：手动装置。

youdao

Optical element, method for producing the element, and optical pick-up device.

光元件，生产该元件的方法，和光拾取器。

youdao

Image processing device, image picking-up device, image processing method, and program.

图像处理设备，成像设备，图像处理方法和程序。

youdao

You can see that as you fill up your periodic table, it's very clear. But also we'll tell you a pneumonic device to keep that in mind, so you always remember and get the orbital energy straight.

在你们填周期表的时候，非常清楚但是我们也要告诉你们,一个策略去记住它，所以你们总是记得,并得到连续的轨道能量。

麻省理工公开课 - 化学原理课程节选

Similarly, in naval battles Themistocles at Salamis comes up with a clever device.

在萨拉弥斯海战中,地米斯托克利也是靠着类似的招数才扭转乾坤

耶鲁公开课 - 古希腊历史简介课程节选

Lastly, up here, is a picture of a much smaller device, this is actually an artificial heart valve that is made of plastics and metal and can replace the valve inside your heart.

最后,在上面这里,这张图片是一个相对较小的装置,这实际上是一个人工心脏瓣膜,由塑料和金属制成,可以取代人的心脏瓣膜

耶鲁公开课 - 生物医学工程探索课程节选

Under an industry agreement with regulators, your company agrees to run the emissions through a costly clean-up device.

FORBES: Hidden Explanations for Unethical Company Behavior

Users can share media from their handset to a PC, notebook, or television, and vice versa across a network (whether a home network, enterprise network or WLAN), using the easy to set-up device.

ENGADGET: Toshiba updates TG01 handset with the TG02

Before upgrading, I fully backed up the device to avoid the loss of irreplaceable media and keep my device from ending up a brick.

ENGADGET: IRL: Mailplane, Verizon Wireless iPad and the Samsung Galaxy S running CM9