In virtual ground mode, the high channel will source and the low channel will sink current.

在虚拟接地模式中，高通道将提供电流，低通道将吸收电流。

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The fire control system combined the sensor data, generated accurate targeting coordinates, and simulated a target shootdown with a virtual ground-based interceptor.

火控系统与传感器数据结合，生成精确的目标坐标，然后模拟出路基拦截器击落目标的过程。

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This essay begins with the definition of Ground and virtual Ground, and then discusses emphatically the relation between them. Furthermore, it enumerates concrete practical use of the virtual Ground.

本文从地与虚地的概念入手，浅议了地与虚地的关系，并列举了虚地的实际运用。

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In addition, NASA is promoting its Minority Innovation Challenges Institute, a virtual training ground that can increase the participation of AAPI students in NASA technical challenges.

WHITEHOUSE: Initiative on Asian Americans and Pacific Islanders Blog

He describes a scenario in which a team from several agencies meets in the virtual space to monitor maps of agents' locations on the ground in Afghanistan in real time, communicating both with each other by teleconference and video feeds in the virtual room and simultaneously with the ground agents via mobile devices.

FORBES: Building The Feds' Virtual War Room

The aim is to find and fix the biggest problems in virtual mode, before ground is struck in December.

FORBES: Why Virtual Construction Is The New Normal