The rumor that it stands for " wireless fidelity" is thanks to the Alliance.

它代表“无线保真度” 的传言要归功于联盟。

That's why so many people assume Wi-Fi stands for " wireless fidelity" , but the tagline came after the name.

这就是为什么这么多人认为Wi-Fi代表“无线保真度” ，但标语出现在名称之后。

Wireless fidelity. Technically, it's a standard ensuring that equipment works on a wireless network. It's on analogy with 'hi-fi', for high fidelity, that used to be common for recording some years ago.

Wifi全称为wireless fidelity.(无线保真)，从专业的角度讲，是一种确保不需要线缆也可使用因特网的技术。 Wifi和hi-fi（高保真）相似--“高保真”一词多年前就出现了，是用来形容唱片音效的。