前言有些折腾是理性的。比如换一台更快的电脑，升级硬盘容量，或者给设备装上新的操作系统——它们都有明确的目的：更高的效率、更好的体验。但也有一些折腾，说不清理由。
RSSI is short for Received Signal Strength Indication. The value is an indication for the reception field strength of wireless communication applications. Wikipedia has a quite good article about it.
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Дания захотела отказать в убежище украинцам призывного возраста09:44
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。下载安装汽水音乐对此有专业解读
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