back-to-back device

基本解释

The invention relates to the capillary gas chromatography technique, specific to cutting-blow back method and its device.
本发明涉及毛细管气相色谱技术，具体地说是一种毛细管色谱系统切割-反吹方法和专用装置。
ip.com
Whereas the self-balancing feature is related to ingress traffic to the device, the Intelligent Load Distribution feature is used for the egress traffic from the device to back-end servers.
自平衡特性与设备的进入流量相关，而 Intelligent Load Distribution 特性用于从设备到后台服务器的流量输出。
The utility model relates to slipping-back preventing device for automobile. The utility model is characterized in that the wall of the gear box is provided with a unilateral rotating wheel;
本实用新型涉及一种汽车防倒滑装置，其特征在于：在变速箱壁上设置有单向转动轮；
ip.com

This is an application, so most of what today's filing tells us is certainly not set in stone, but new ideas include a "kinetic energy gathering component" within the band -- like the trickle charge feature found on watches -- to pump energy back into the device.
ENGADGET
The long lead-time for the 10-inch, Windows 7 tablet means that Dell will likely miss the opportunity to sell the device as a back-to-school item, though it would make the important holiday season.
FORBES: Dell 10-Inch Windows Tablet Not Coming Until Fall
As we mentioned earlier, the only writing on the front is Samsung's logo, with carrier branding pushed to the top-center portion of the back, just below the device's 8-megapixel camera.
ENGADGET: Samsung Galaxy S III review shootout: AT&T vs. Sprint