而斯坦福大学开发的技术抵消发送设备发送的信号，让这些设备可以挑出收到的相对比较安静的传输信号。
Technology developed at Stanford cancels out the signal created by sending machines so they can pick up the relatively quiet transmissions coming at them.
ERDC - CERL正在调查“寂静阵营”，在那里，传统的能量产品与安静的、环境声音燃料电池技术综合起来。
ERDC-CERL is investigating a 'Silent Camp,' where traditional power production is integrated with quiet, environmentally sound fuel cell technology.
目前，该技术拥有多种用途，实际使用于比赛、博物馆和图书馆，在特定区域提供音频聚光灯系统，同时又能在很大的空间内保持安静。
The technology has several practical USES currently in play — museums and libraries can keep large Spaces quiet while offering Audio Spotlight systems in specific areas.
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