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摘要: 　　众所周知，家用无线WiFi路由器的信号是可以穿透承重墙的，但如果这种特性被用于影像扫描，今日无孔不入的WiFi信号就立刻变得危险起来了。当WiFi传感信号将墙壁变得透明，我们的最后一丝隐私...

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喝“弱碱性”的水是否能使人更健康？作者：揭草仙读了扎西在《喝农夫山泉能保持人体弱碱性环境吗？》一文中的问题，去网络搜索了对类似问题的回答，得到的答案是否定的。确实，人体血液的酸碱性呈弱碱性。在1-14...

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