The total number of estimation errors from data fusion will be decreased when layers of virtual sensors are increased.

虚拟传感器的层数增加时，融合后总的估计误差将减少。

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Nearly half would be a so-called "virtual fence" utilizing high technology sensors and cameras as well as special deployments of Border Patrol agents.

将近一半是所谓的“虚拟围墙”， 使用高科技传感器和照相机以及特别部署边界巡逻队的警卫。

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As our special report in this issue explains, the physical and the virtual worlds are converging, thanks to the proliferation of sensors, ubiquitous wireless networks and clever analytics software.

正如本期特别报道中提到的那样，由于传感器、泛在无线网络以及精确分析软件的广泛应用，现实世界和虚拟世界正日益趋同。

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In this program, a person hooked up to the EEG sensors learned to maneuver a virtual cube around a screen using mental commands like those he or she might use when controlling a car.

FORBES: Car invented that can be steered by thought