Datajs USES XMLHttpRequest to make network calls by default, but a different HTTP client can be used.

datajs默认会使用XMLHttpRequest来进行网络调用，但还可以使用不同的HTTP客户端。

youdao

In the Philippines, juggling multiple SIM CARDS is common: users switch between them to take advantage of cheaper in-network calls or price promotions.

在菲律宾，手机用户多张SIM卡换着用非常普遍，这样可以享受较便宜的同网呼叫，或者享受各种优惠促销。

youdao

The difference might be negligible in local collection but can reduce resource utilization significantly in remote collection by reducing the number of network calls.

这种差异在本地收集中可以忽略，但是在远程收集中却可以显著减少资源的使用，因为它可以减少网络调用的数量。

youdao

While traditional phone calls were made over an independent, robust network, VoIP calls travel over the Internet and are dependent on computers to convert voices to digital signals and back.

FORBES: Net Phoning Is Great, Except When It's Not

The FastBreak network, which Sprint calls an integrated on-demand network or ION, will let users access the Internet at speeds up to 100 times faster than traditional modems.

CNN: Sprint unveils high-bandwidth Net access

The O2 mobile network will deliver calls, texts and voicemail as normal so contacts won't notice anything different.

ENGADGET: O2's TU Go software spreads your phone number across multiple devices