The term "Lo-fi" or "Low Fidelity" means a non-working model while a "High Fidelity" model is a working model.

术语“低保真”的意思是一个非工作模型，而“高保真”模型是可工作模型。

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Avoid the high cost of being connected via your smartphone by only checking your email in Wi-Fi zones, especially when traveling overseas.

只在无限网络覆盖区域内使用智能手机查收电子邮件，以避免高额的网络连接费用，特别是当你在国外旅行的时候。

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On the flip side, the other Internet connection technology, cellular broadband, has the potential to make Wi-Fi almost unnecessary, at least for achieving high speeds.

而另外一种互联网连接技术，蜂窝宽带(cellular broadband)，则有可能取代WiFi，至少从实现高网速方面如此。

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The DA-F60 incorporates neodymium magnets and a passive radiator to produce results typically found in high-end Hi-Fi audio systems, including tuned low-frequency reproduction and virtually no distortion even at high volumes.

ENGADGET: Samsung introduces its CES audio hardware, claims a world first

Celeno is a leading provider of high performance Wi-Fi chips for HD multimedia and entertainment home networking applications.

ENGADGET: Celeno and Cavium team up for WiFi-based wireless HDMI solution

Everything's in there: MP3 player with stereo speakers, a 5-megapixel camera, DVD-quality video, GPS maps, Bluetooth, Wi-Fi, high-speed cellular, spreadsheets, e-mail.

FORBES: Magazine Article