If these fears are justified, then perhaps we should all be worried about the amount of time we spend talking on our phones or plugging into wi-fi hotpots.

如果这些担忧并非无稽之谈，那么我们可能都要为自己花在电话和wi - fi无线网络上的时间而担忧了。

youdao

Thinking back to basic shell scripting logic, an if statement consists of if, then, and fi.

回忆一下基本的脚本编程逻辑：if语句由if、then和fi组成。

youdao

When using them, stick to the format above; that is, keep the "if" and the "then" on separate lines, and keep the "else" and the terminating and required "fi" in horizontal alignment with them.

在使用时，要遵循以上格式；即，将 "if" 和 "then" 放在不同行，并使 "else" 和结束处必需的 "fi" 与它们水平对齐。

youdao

If you're familiar with Wi-Fi, then you're probably familiar with two variants that the IEEE calls 802.11a and 802.11g.

FORBES: Magazine Article

Computer geeks call it war-driving or Net stumbling: roving around with a Wi-Fi-enabled laptop to scan for nearby Wi-Fi access points, then trying to see if they can use them for free.

FORBES: The Days Of Wi-Fi Scanning Are Numbered

Then there is the antenna needed for Bluetooth, and Wi-Fi if it is built in, and one for the GPS receiver, and if you have mobile TV capabilities built in there will be another antenna to receive, say the MediaFLO TV signals on 700 MHz.

FORBES: The iPhone 4 Antenna Unravelled